Home / 42,345.08-63,465.78-14,610.68

Finding the Fourth Proportional to 42,345.08, 63,465.78 and 14,610.68

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Solution

The fourth proportional to 42,345.08, 63,465.78 and 14,610.68 is: 21,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,345.08 : 63,465.78 = 14,610.68 : x
  2. Step 2: Convert to fraction form
    42,345.08/63,465.78 = 14,610.68/x
  3. Step 3: Cross multiply
    42,345.08x = 63,465.78 × 14,610.68
  4. Step 4: Simplify right side
    42,345.08x = 927,278,202.53
  5. Step 5: Solve for x
    x = 927,278,202.53/42,345.08
  6. Step 6: Final answer
    x = 21,898.13

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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.