Home / 31,966.98-44,118.72-18,542.40

Finding the Fourth Proportional to 31,966.98, 44,118.72 and 18,542.40

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Solution

The fourth proportional to 31,966.98, 44,118.72 and 18,542.40 is: 25,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.98 : 44,118.72 = 18,542.40 : x
  2. Step 2: Convert to fraction form
    31,966.98/44,118.72 = 18,542.40/x
  3. Step 3: Cross multiply
    31,966.98x = 44,118.72 × 18,542.40
  4. Step 4: Simplify right side
    31,966.98x = 818,066,953.73
  5. Step 5: Solve for x
    x = 818,066,953.73/31,966.98
  6. Step 6: Final answer
    x = 25,591.00

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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.