Home / 43,047.90-64,382.98-38,337.28

Finding the Fourth Proportional to 43,047.90, 64,382.98 and 38,337.28

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Solution

The fourth proportional to 43,047.90, 64,382.98 and 38,337.28 is: 57,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,047.90 : 64,382.98 = 38,337.28 : x
  2. Step 2: Convert to fraction form
    43,047.90/64,382.98 = 38,337.28/x
  3. Step 3: Cross multiply
    43,047.90x = 64,382.98 × 38,337.28
  4. Step 4: Simplify right side
    43,047.90x = 2,468,268,331.49
  5. Step 5: Solve for x
    x = 2,468,268,331.49/43,047.90
  6. Step 6: Final answer
    x = 57,337.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.