Home / 39,888.46-59,778.01-38,691.08

Finding the Fourth Proportional to 39,888.46, 59,778.01 and 38,691.08

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Solution

The fourth proportional to 39,888.46, 59,778.01 and 38,691.08 is: 57,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.46 : 59,778.01 = 38,691.08 : x
  2. Step 2: Convert to fraction form
    39,888.46/59,778.01 = 38,691.08/x
  3. Step 3: Cross multiply
    39,888.46x = 59,778.01 × 38,691.08
  4. Step 4: Simplify right side
    39,888.46x = 2,312,875,767.15
  5. Step 5: Solve for x
    x = 2,312,875,767.15/39,888.46
  6. Step 6: Final answer
    x = 57,983.58

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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.