Home / 38,491.16-57,739.98-13,529.08

Finding the Fourth Proportional to 38,491.16, 57,739.98 and 13,529.08

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Solution

The fourth proportional to 38,491.16, 57,739.98 and 13,529.08 is: 20,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.16 : 57,739.98 = 13,529.08 : x
  2. Step 2: Convert to fraction form
    38,491.16/57,739.98 = 13,529.08/x
  3. Step 3: Cross multiply
    38,491.16x = 57,739.98 × 13,529.08
  4. Step 4: Simplify right side
    38,491.16x = 781,168,808.62
  5. Step 5: Solve for x
    x = 781,168,808.62/38,491.16
  6. Step 6: Final answer
    x = 20,294.76

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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.