Home / 42,805.05-64,191.61-14,717.16

Finding the Fourth Proportional to 42,805.05, 64,191.61 and 14,717.16

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Solution

The fourth proportional to 42,805.05, 64,191.61 and 14,717.16 is: 22,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,805.05 : 64,191.61 = 14,717.16 : x
  2. Step 2: Convert to fraction form
    42,805.05/64,191.61 = 14,717.16/x
  3. Step 3: Cross multiply
    42,805.05x = 64,191.61 × 14,717.16
  4. Step 4: Simplify right side
    42,805.05x = 944,718,195.03
  5. Step 5: Solve for x
    x = 944,718,195.03/42,805.05
  6. Step 6: Final answer
    x = 22,070.25

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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.