Home / 50,870.89-70,187.20-29,358.91

Finding the Fourth Proportional to 50,870.89, 70,187.20 and 29,358.91

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Solution

The fourth proportional to 50,870.89, 70,187.20 and 29,358.91 is: 40,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.89 : 70,187.20 = 29,358.91 : x
  2. Step 2: Convert to fraction form
    50,870.89/70,187.20 = 29,358.91/x
  3. Step 3: Cross multiply
    50,870.89x = 70,187.20 × 29,358.91
  4. Step 4: Simplify right side
    50,870.89x = 2,060,619,687.95
  5. Step 5: Solve for x
    x = 2,060,619,687.95/50,870.89
  6. Step 6: Final answer
    x = 40,506.85

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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.