Home / 43,023.85-59,349.00-39,979.40

Finding the Fourth Proportional to 43,023.85, 59,349.00 and 39,979.40

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Solution

The fourth proportional to 43,023.85, 59,349.00 and 39,979.40 is: 55,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.85 : 59,349.00 = 39,979.40 : x
  2. Step 2: Convert to fraction form
    43,023.85/59,349.00 = 39,979.40/x
  3. Step 3: Cross multiply
    43,023.85x = 59,349.00 × 39,979.40
  4. Step 4: Simplify right side
    43,023.85x = 2,372,737,263.78
  5. Step 5: Solve for x
    x = 2,372,737,263.78/43,023.85
  6. Step 6: Final answer
    x = 55,149.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.