Home / 42,430.62-63,646.08-14,350.90

Finding the Fourth Proportional to 42,430.62, 63,646.08 and 14,350.90

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Solution

The fourth proportional to 42,430.62, 63,646.08 and 14,350.90 is: 21,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,430.62 : 63,646.08 = 14,350.90 : x
  2. Step 2: Convert to fraction form
    42,430.62/63,646.08 = 14,350.90/x
  3. Step 3: Cross multiply
    42,430.62x = 63,646.08 × 14,350.90
  4. Step 4: Simplify right side
    42,430.62x = 913,378,529.47
  5. Step 5: Solve for x
    x = 913,378,529.47/42,430.62
  6. Step 6: Final answer
    x = 21,526.40

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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.