Home / 57,108.20-85,662.30-14,988.20

Finding the Fourth Proportional to 57,108.20, 85,662.30 and 14,988.20

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Solution

The fourth proportional to 57,108.20, 85,662.30 and 14,988.20 is: 22,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,108.20 : 85,662.30 = 14,988.20 : x
  2. Step 2: Convert to fraction form
    57,108.20/85,662.30 = 14,988.20/x
  3. Step 3: Cross multiply
    57,108.20x = 85,662.30 × 14,988.20
  4. Step 4: Simplify right side
    57,108.20x = 1,283,923,684.86
  5. Step 5: Solve for x
    x = 1,283,923,684.86/57,108.20
  6. Step 6: Final answer
    x = 22,482.30

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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.