Home / 31,909.15-44,038.76-18,302.50

Finding the Fourth Proportional to 31,909.15, 44,038.76 and 18,302.50

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Solution

The fourth proportional to 31,909.15, 44,038.76 and 18,302.50 is: 25,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909.15 : 44,038.76 = 18,302.50 : x
  2. Step 2: Convert to fraction form
    31,909.15/44,038.76 = 18,302.50/x
  3. Step 3: Cross multiply
    31,909.15x = 44,038.76 × 18,302.50
  4. Step 4: Simplify right side
    31,909.15x = 806,019,560.75
  5. Step 5: Solve for x
    x = 806,019,560.75/31,909.15
  6. Step 6: Final answer
    x = 25,259.82

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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.