Home / 42,507.52-63,763.44-14,430.76

Finding the Fourth Proportional to 42,507.52, 63,763.44 and 14,430.76

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Solution

The fourth proportional to 42,507.52, 63,763.44 and 14,430.76 is: 21,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507.52 : 63,763.44 = 14,430.76 : x
  2. Step 2: Convert to fraction form
    42,507.52/63,763.44 = 14,430.76/x
  3. Step 3: Cross multiply
    42,507.52x = 63,763.44 × 14,430.76
  4. Step 4: Simplify right side
    42,507.52x = 920,154,899.41
  5. Step 5: Solve for x
    x = 920,154,899.41/42,507.52
  6. Step 6: Final answer
    x = 21,646.87

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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.