Home / 52,549.50-78,822.96-15,109.68

Finding the Fourth Proportional to 52,549.50, 78,822.96 and 15,109.68

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Solution

The fourth proportional to 52,549.50, 78,822.96 and 15,109.68 is: 22,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,549.50 : 78,822.96 = 15,109.68 : x
  2. Step 2: Convert to fraction form
    52,549.50/78,822.96 = 15,109.68/x
  3. Step 3: Cross multiply
    52,549.50x = 78,822.96 × 15,109.68
  4. Step 4: Simplify right side
    52,549.50x = 1,190,989,702.25
  5. Step 5: Solve for x
    x = 1,190,989,702.25/52,549.50
  6. Step 6: Final answer
    x = 22,664.15

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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.