Home / 42,345.63-63,508.19-14,258.43

Finding the Fourth Proportional to 42,345.63, 63,508.19 and 14,258.43

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Solution

The fourth proportional to 42,345.63, 63,508.19 and 14,258.43 is: 21,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,345.63 : 63,508.19 = 14,258.43 : x
  2. Step 2: Convert to fraction form
    42,345.63/63,508.19 = 14,258.43/x
  3. Step 3: Cross multiply
    42,345.63x = 63,508.19 × 14,258.43
  4. Step 4: Simplify right side
    42,345.63x = 905,527,010.25
  5. Step 5: Solve for x
    x = 905,527,010.25/42,345.63
  6. Step 6: Final answer
    x = 21,384.19

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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.