Home / 52,515.32-78,746.70-17,442.68

Finding the Fourth Proportional to 52,515.32, 78,746.70 and 17,442.68

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Solution

The fourth proportional to 52,515.32, 78,746.70 and 17,442.68 is: 26,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.32 : 78,746.70 = 17,442.68 : x
  2. Step 2: Convert to fraction form
    52,515.32/78,746.70 = 17,442.68/x
  3. Step 3: Cross multiply
    52,515.32x = 78,746.70 × 17,442.68
  4. Step 4: Simplify right side
    52,515.32x = 1,373,553,489.16
  5. Step 5: Solve for x
    x = 1,373,553,489.16/52,515.32
  6. Step 6: Final answer
    x = 26,155.29

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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.