Home / 42,465.78-63,707.73-14,384.86

Finding the Fourth Proportional to 42,465.78, 63,707.73 and 14,384.86

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Solution

The fourth proportional to 42,465.78, 63,707.73 and 14,384.86 is: 21,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,465.78 : 63,707.73 = 14,384.86 : x
  2. Step 2: Convert to fraction form
    42,465.78/63,707.73 = 14,384.86/x
  3. Step 3: Cross multiply
    42,465.78x = 63,707.73 × 14,384.86
  4. Step 4: Simplify right side
    42,465.78x = 916,426,776.97
  5. Step 5: Solve for x
    x = 916,426,776.97/42,465.78
  6. Step 6: Final answer
    x = 21,580.36

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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.