Home / 52,585.20-78,877.80-15,649.20

Finding the Fourth Proportional to 52,585.20, 78,877.80 and 15,649.20

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Solution

The fourth proportional to 52,585.20, 78,877.80 and 15,649.20 is: 23,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,585.20 : 78,877.80 = 15,649.20 : x
  2. Step 2: Convert to fraction form
    52,585.20/78,877.80 = 15,649.20/x
  3. Step 3: Cross multiply
    52,585.20x = 78,877.80 × 15,649.20
  4. Step 4: Simplify right side
    52,585.20x = 1,234,374,467.76
  5. Step 5: Solve for x
    x = 1,234,374,467.76/52,585.20
  6. Step 6: Final answer
    x = 23,473.80

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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.