Home / 39,581.55-59,372.33-9,999.47

Finding the Fourth Proportional to 39,581.55, 59,372.33 and 9,999.47

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Solution

The fourth proportional to 39,581.55, 59,372.33 and 9,999.47 is: 14,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,581.55 : 59,372.33 = 9,999.47 : x
  2. Step 2: Convert to fraction form
    39,581.55/59,372.33 = 9,999.47/x
  3. Step 3: Cross multiply
    39,581.55x = 59,372.33 × 9,999.47
  4. Step 4: Simplify right side
    39,581.55x = 593,691,782.67
  5. Step 5: Solve for x
    x = 593,691,782.67/39,581.55
  6. Step 6: Final answer
    x = 14,999.21

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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.