Home / 57,000.10-85,509.34-17,557.20

Finding the Fourth Proportional to 57,000.10, 85,509.34 and 17,557.20

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Solution

The fourth proportional to 57,000.10, 85,509.34 and 17,557.20 is: 26,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,000.10 : 85,509.34 = 17,557.20 : x
  2. Step 2: Convert to fraction form
    57,000.10/85,509.34 = 17,557.20/x
  3. Step 3: Cross multiply
    57,000.10x = 85,509.34 × 17,557.20
  4. Step 4: Simplify right side
    57,000.10x = 1,501,304,392.42
  5. Step 5: Solve for x
    x = 1,501,304,392.42/57,000.10
  6. Step 6: Final answer
    x = 26,338.63

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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.