Home / 42,805.55-64,192.36-14,717.66

Finding the Fourth Proportional to 42,805.55, 64,192.36 and 14,717.66

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Solution

The fourth proportional to 42,805.55, 64,192.36 and 14,717.66 is: 22,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,805.55 : 64,192.36 = 14,717.66 : x
  2. Step 2: Convert to fraction form
    42,805.55/64,192.36 = 14,717.66/x
  3. Step 3: Cross multiply
    42,805.55x = 64,192.36 × 14,717.66
  4. Step 4: Simplify right side
    42,805.55x = 944,761,329.08
  5. Step 5: Solve for x
    x = 944,761,329.08/42,805.55
  6. Step 6: Final answer
    x = 22,071.00

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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.