Home / 38,666.40-57,999.69-12,373.26

Finding the Fourth Proportional to 38,666.40, 57,999.69 and 12,373.26

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Solution

The fourth proportional to 38,666.40, 57,999.69 and 12,373.26 is: 18,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.40 : 57,999.69 = 12,373.26 : x
  2. Step 2: Convert to fraction form
    38,666.40/57,999.69 = 12,373.26/x
  3. Step 3: Cross multiply
    38,666.40x = 57,999.69 × 12,373.26
  4. Step 4: Simplify right side
    38,666.40x = 717,645,244.29
  5. Step 5: Solve for x
    x = 717,645,244.29/38,666.40
  6. Step 6: Final answer
    x = 18,559.92

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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.