Home / 42,724.87-64,045.65-17,071.56

Finding the Fourth Proportional to 42,724.87, 64,045.65 and 17,071.56

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Solution

The fourth proportional to 42,724.87, 64,045.65 and 17,071.56 is: 25,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724.87 : 64,045.65 = 17,071.56 : x
  2. Step 2: Convert to fraction form
    42,724.87/64,045.65 = 17,071.56/x
  3. Step 3: Cross multiply
    42,724.87x = 64,045.65 × 17,071.56
  4. Step 4: Simplify right side
    42,724.87x = 1,093,358,751.13
  5. Step 5: Solve for x
    x = 1,093,358,751.13/42,724.87
  6. Step 6: Final answer
    x = 25,590.69

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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.