Home / 38,117.20-57,127.20-18,353.20

Finding the Fourth Proportional to 38,117.20, 57,127.20 and 18,353.20

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Solution

The fourth proportional to 38,117.20, 57,127.20 and 18,353.20 is: 27,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.20 : 57,127.20 = 18,353.20 : x
  2. Step 2: Convert to fraction form
    38,117.20/57,127.20 = 18,353.20/x
  3. Step 3: Cross multiply
    38,117.20x = 57,127.20 × 18,353.20
  4. Step 4: Simplify right side
    38,117.20x = 1,048,466,927.04
  5. Step 5: Solve for x
    x = 1,048,466,927.04/38,117.20
  6. Step 6: Final answer
    x = 27,506.40

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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.