Home / 44,279.44-66,428.88-13,117.12

Finding the Fourth Proportional to 44,279.44, 66,428.88 and 13,117.12

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Solution

The fourth proportional to 44,279.44, 66,428.88 and 13,117.12 is: 19,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,279.44 : 66,428.88 = 13,117.12 : x
  2. Step 2: Convert to fraction form
    44,279.44/66,428.88 = 13,117.12/x
  3. Step 3: Cross multiply
    44,279.44x = 66,428.88 × 13,117.12
  4. Step 4: Simplify right side
    44,279.44x = 871,355,590.43
  5. Step 5: Solve for x
    x = 871,355,590.43/44,279.44
  6. Step 6: Final answer
    x = 19,678.56

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Double scale
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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.