Home / 38,102.40-57,113.10-18,368.10

Finding the Fourth Proportional to 38,102.40, 57,113.10 and 18,368.10

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Solution

The fourth proportional to 38,102.40, 57,113.10 and 18,368.10 is: 27,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,102.40 : 57,113.10 = 18,368.10 : x
  2. Step 2: Convert to fraction form
    38,102.40/57,113.10 = 18,368.10/x
  3. Step 3: Cross multiply
    38,102.40x = 57,113.10 × 18,368.10
  4. Step 4: Simplify right side
    38,102.40x = 1,049,059,132.11
  5. Step 5: Solve for x
    x = 1,049,059,132.11/38,102.40
  6. Step 6: Final answer
    x = 27,532.63

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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.