Home / 38,417.32-57,549.30-18,635.86

Finding the Fourth Proportional to 38,417.32, 57,549.30 and 18,635.86

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Solution

The fourth proportional to 38,417.32, 57,549.30 and 18,635.86 is: 27,916.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.32 : 57,549.30 = 18,635.86 : x
  2. Step 2: Convert to fraction form
    38,417.32/57,549.30 = 18,635.86/x
  3. Step 3: Cross multiply
    38,417.32x = 57,549.30 × 18,635.86
  4. Step 4: Simplify right side
    38,417.32x = 1,072,480,697.90
  5. Step 5: Solve for x
    x = 1,072,480,697.90/38,417.32
  6. Step 6: Final answer
    x = 27,916.59

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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.