Home / 52,217.19-78,325.79-18,929.70

Finding the Fourth Proportional to 52,217.19, 78,325.79 and 18,929.70

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Solution

The fourth proportional to 52,217.19, 78,325.79 and 18,929.70 is: 28,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,217.19 : 78,325.79 = 18,929.70 : x
  2. Step 2: Convert to fraction form
    52,217.19/78,325.79 = 18,929.70/x
  3. Step 3: Cross multiply
    52,217.19x = 78,325.79 × 18,929.70
  4. Step 4: Simplify right side
    52,217.19x = 1,482,683,612.31
  5. Step 5: Solve for x
    x = 1,482,683,612.31/52,217.19
  6. Step 6: Final answer
    x = 28,394.55

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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.