Home / 39,191.12-58,796.28-19,478.96

Finding the Fourth Proportional to 39,191.12, 58,796.28 and 19,478.96

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Solution

The fourth proportional to 39,191.12, 58,796.28 and 19,478.96 is: 29,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,191.12 : 58,796.28 = 19,478.96 : x
  2. Step 2: Convert to fraction form
    39,191.12/58,796.28 = 19,478.96/x
  3. Step 3: Cross multiply
    39,191.12x = 58,796.28 × 19,478.96
  4. Step 4: Simplify right side
    39,191.12x = 1,145,290,386.27
  5. Step 5: Solve for x
    x = 1,145,290,386.27/39,191.12
  6. Step 6: Final answer
    x = 29,223.21

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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.