Home / 52,724.70-78,895.05-38,900.70

Finding the Fourth Proportional to 52,724.70, 78,895.05 and 38,900.70

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Solution

The fourth proportional to 52,724.70, 78,895.05 and 38,900.70 is: 58,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,724.70 : 78,895.05 = 38,900.70 : x
  2. Step 2: Convert to fraction form
    52,724.70/78,895.05 = 38,900.70/x
  3. Step 3: Cross multiply
    52,724.70x = 78,895.05 × 38,900.70
  4. Step 4: Simplify right side
    52,724.70x = 3,069,072,671.54
  5. Step 5: Solve for x
    x = 3,069,072,671.54/52,724.70
  6. Step 6: Final answer
    x = 58,209.39

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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.