Home / 43,215.08-59,640.72-25,316.24

Finding the Fourth Proportional to 43,215.08, 59,640.72 and 25,316.24

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Solution

The fourth proportional to 43,215.08, 59,640.72 and 25,316.24 is: 34,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.08 : 59,640.72 = 25,316.24 : x
  2. Step 2: Convert to fraction form
    43,215.08/59,640.72 = 25,316.24/x
  3. Step 3: Cross multiply
    43,215.08x = 59,640.72 × 25,316.24
  4. Step 4: Simplify right side
    43,215.08x = 1,509,878,781.29
  5. Step 5: Solve for x
    x = 1,509,878,781.29/43,215.08
  6. Step 6: Final answer
    x = 34,938.70

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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.