Home / 57,490.42-86,244.78-18,038.20

Finding the Fourth Proportional to 57,490.42, 86,244.78 and 18,038.20

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Solution

The fourth proportional to 57,490.42, 86,244.78 and 18,038.20 is: 27,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490.42 : 86,244.78 = 18,038.20 : x
  2. Step 2: Convert to fraction form
    57,490.42/86,244.78 = 18,038.20/x
  3. Step 3: Cross multiply
    57,490.42x = 86,244.78 × 18,038.20
  4. Step 4: Simplify right side
    57,490.42x = 1,555,700,590.60
  5. Step 5: Solve for x
    x = 1,555,700,590.60/57,490.42
  6. Step 6: Final answer
    x = 27,060.17

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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.