Home / 52,129.10-78,133.16-23,990.08

Finding the Fourth Proportional to 52,129.10, 78,133.16 and 23,990.08

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Solution

The fourth proportional to 52,129.10, 78,133.16 and 23,990.08 is: 35,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.10 : 78,133.16 = 23,990.08 : x
  2. Step 2: Convert to fraction form
    52,129.10/78,133.16 = 23,990.08/x
  3. Step 3: Cross multiply
    52,129.10x = 78,133.16 × 23,990.08
  4. Step 4: Simplify right side
    52,129.10x = 1,874,420,759.05
  5. Step 5: Solve for x
    x = 1,874,420,759.05/52,129.10
  6. Step 6: Final answer
    x = 35,957.29

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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.