Home / 48,749.80-67,306.08-39,818.76

Finding the Fourth Proportional to 48,749.80, 67,306.08 and 39,818.76

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Solution

The fourth proportional to 48,749.80, 67,306.08 and 39,818.76 is: 54,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,749.80 : 67,306.08 = 39,818.76 : x
  2. Step 2: Convert to fraction form
    48,749.80/67,306.08 = 39,818.76/x
  3. Step 3: Cross multiply
    48,749.80x = 67,306.08 × 39,818.76
  4. Step 4: Simplify right side
    48,749.80x = 2,680,044,646.06
  5. Step 5: Solve for x
    x = 2,680,044,646.06/48,749.80
  6. Step 6: Final answer
    x = 54,975.50

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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.