Home / 42,507.81-63,767.28-14,035.29

Finding the Fourth Proportional to 42,507.81, 63,767.28 and 14,035.29

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Solution

The fourth proportional to 42,507.81, 63,767.28 and 14,035.29 is: 21,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507.81 : 63,767.28 = 14,035.29 : x
  2. Step 2: Convert to fraction form
    42,507.81/63,767.28 = 14,035.29/x
  3. Step 3: Cross multiply
    42,507.81x = 63,767.28 × 14,035.29
  4. Step 4: Simplify right side
    42,507.81x = 894,992,267.31
  5. Step 5: Solve for x
    x = 894,992,267.31/42,507.81
  6. Step 6: Final answer
    x = 21,054.77

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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.