Home / 42,881.90-64,332.30-14,417.88

Finding the Fourth Proportional to 42,881.90, 64,332.30 and 14,417.88

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Solution

The fourth proportional to 42,881.90, 64,332.30 and 14,417.88 is: 21,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,881.90 : 64,332.30 = 14,417.88 : x
  2. Step 2: Convert to fraction form
    42,881.90/64,332.30 = 14,417.88/x
  3. Step 3: Cross multiply
    42,881.90x = 64,332.30 × 14,417.88
  4. Step 4: Simplify right side
    42,881.90x = 927,535,381.52
  5. Step 5: Solve for x
    x = 927,535,381.52/42,881.90
  6. Step 6: Final answer
    x = 21,630.00

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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.