Home / 52,708.20-78,870.30-38,884.20

Finding the Fourth Proportional to 52,708.20, 78,870.30 and 38,884.20

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Solution

The fourth proportional to 52,708.20, 78,870.30 and 38,884.20 is: 58,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.20 : 78,870.30 = 38,884.20 : x
  2. Step 2: Convert to fraction form
    52,708.20/78,870.30 = 38,884.20/x
  3. Step 3: Cross multiply
    52,708.20x = 78,870.30 × 38,884.20
  4. Step 4: Simplify right side
    52,708.20x = 3,066,808,519.26
  5. Step 5: Solve for x
    x = 3,066,808,519.26/52,708.20
  6. Step 6: Final answer
    x = 58,184.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.