Home / 42,840.28-64,244.46-14,752.52

Finding the Fourth Proportional to 42,840.28, 64,244.46 and 14,752.52

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Solution

The fourth proportional to 42,840.28, 64,244.46 and 14,752.52 is: 22,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,840.28 : 64,244.46 = 14,752.52 : x
  2. Step 2: Convert to fraction form
    42,840.28/64,244.46 = 14,752.52/x
  3. Step 3: Cross multiply
    42,840.28x = 64,244.46 × 14,752.52
  4. Step 4: Simplify right side
    42,840.28x = 947,767,681.04
  5. Step 5: Solve for x
    x = 947,767,681.04/42,840.28
  6. Step 6: Final answer
    x = 22,123.28

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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.