Home / 38,909.89-58,319.07-22,281.40

Finding the Fourth Proportional to 38,909.89, 58,319.07 and 22,281.40

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Solution

The fourth proportional to 38,909.89, 58,319.07 and 22,281.40 is: 33,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,909.89 : 58,319.07 = 22,281.40 : x
  2. Step 2: Convert to fraction form
    38,909.89/58,319.07 = 22,281.40/x
  3. Step 3: Cross multiply
    38,909.89x = 58,319.07 × 22,281.40
  4. Step 4: Simplify right side
    38,909.89x = 1,299,430,526.30
  5. Step 5: Solve for x
    x = 1,299,430,526.30/38,909.89
  6. Step 6: Final answer
    x = 33,395.89

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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.