Home / 43,210.02-59,640.93-28,140.24

Finding the Fourth Proportional to 43,210.02, 59,640.93 and 28,140.24

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Solution

The fourth proportional to 43,210.02, 59,640.93 and 28,140.24 is: 38,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,210.02 : 59,640.93 = 28,140.24 : x
  2. Step 2: Convert to fraction form
    43,210.02/59,640.93 = 28,140.24/x
  3. Step 3: Cross multiply
    43,210.02x = 59,640.93 × 28,140.24
  4. Step 4: Simplify right side
    43,210.02x = 1,678,310,084.02
  5. Step 5: Solve for x
    x = 1,678,310,084.02/43,210.02
  6. Step 6: Final answer
    x = 38,840.76

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.