Home / 43,209.02-59,639.55-28,139.24

Finding the Fourth Proportional to 43,209.02, 59,639.55 and 28,139.24

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Solution

The fourth proportional to 43,209.02, 59,639.55 and 28,139.24 is: 38,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,209.02 : 59,639.55 = 28,139.24 : x
  2. Step 2: Convert to fraction form
    43,209.02/59,639.55 = 28,139.24/x
  3. Step 3: Cross multiply
    43,209.02x = 59,639.55 × 28,139.24
  4. Step 4: Simplify right side
    43,209.02x = 1,678,211,610.94
  5. Step 5: Solve for x
    x = 1,678,211,610.94/43,209.02
  6. Step 6: Final answer
    x = 38,839.38

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Find fourth proportional to 43,210.02, 59,640.93 and 28,140.24
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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.