Home / 42,766.29-64,131.09-14,689.17

Finding the Fourth Proportional to 42,766.29, 64,131.09 and 14,689.17

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Solution

The fourth proportional to 42,766.29, 64,131.09 and 14,689.17 is: 22,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,766.29 : 64,131.09 = 14,689.17 : x
  2. Step 2: Convert to fraction form
    42,766.29/64,131.09 = 14,689.17/x
  3. Step 3: Cross multiply
    42,766.29x = 64,131.09 × 14,689.17
  4. Step 4: Simplify right side
    42,766.29x = 942,032,409.85
  5. Step 5: Solve for x
    x = 942,032,409.85/42,766.29
  6. Step 6: Final answer
    x = 22,027.45

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1.5x scale

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.