Home / 52,290.47-78,437.55-16,747.17

Finding the Fourth Proportional to 52,290.47, 78,437.55 and 16,747.17

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Solution

The fourth proportional to 52,290.47, 78,437.55 and 16,747.17 is: 25,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.47 : 78,437.55 = 16,747.17 : x
  2. Step 2: Convert to fraction form
    52,290.47/78,437.55 = 16,747.17/x
  3. Step 3: Cross multiply
    52,290.47x = 78,437.55 × 16,747.17
  4. Step 4: Simplify right side
    52,290.47x = 1,313,606,752.89
  5. Step 5: Solve for x
    x = 1,313,606,752.89/52,290.47
  6. Step 6: Final answer
    x = 25,121.34

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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.