Home / 52,508.24-78,712.60-20,937.84

Finding the Fourth Proportional to 52,508.24, 78,712.60 and 20,937.84

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Solution

The fourth proportional to 52,508.24, 78,712.60 and 20,937.84 is: 31,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,508.24 : 78,712.60 = 20,937.84 : x
  2. Step 2: Convert to fraction form
    52,508.24/78,712.60 = 20,937.84/x
  3. Step 3: Cross multiply
    52,508.24x = 78,712.60 × 20,937.84
  4. Step 4: Simplify right side
    52,508.24x = 1,648,071,824.78
  5. Step 5: Solve for x
    x = 1,648,071,824.78/52,508.24
  6. Step 6: Final answer
    x = 31,386.92

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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.