Home / 39,081.40-58,621.28-9,499.39

Finding the Fourth Proportional to 39,081.40, 58,621.28 and 9,499.39

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Solution

The fourth proportional to 39,081.40, 58,621.28 and 9,499.39 is: 14,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.40 : 58,621.28 = 9,499.39 : x
  2. Step 2: Convert to fraction form
    39,081.40/58,621.28 = 9,499.39/x
  3. Step 3: Cross multiply
    39,081.40x = 58,621.28 × 9,499.39
  4. Step 4: Simplify right side
    39,081.40x = 556,866,401.02
  5. Step 5: Solve for x
    x = 556,866,401.02/39,081.40
  6. Step 6: Final answer
    x = 14,248.89

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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.