Home / 51,807.32-71,494.21-30,587.95

Finding the Fourth Proportional to 51,807.32, 71,494.21 and 30,587.95

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Solution

The fourth proportional to 51,807.32, 71,494.21 and 30,587.95 is: 42,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,807.32 : 71,494.21 = 30,587.95 : x
  2. Step 2: Convert to fraction form
    51,807.32/71,494.21 = 30,587.95/x
  3. Step 3: Cross multiply
    51,807.32x = 71,494.21 × 30,587.95
  4. Step 4: Simplify right side
    51,807.32x = 2,186,861,320.77
  5. Step 5: Solve for x
    x = 2,186,861,320.77/51,807.32
  6. Step 6: Final answer
    x = 42,211.44

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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.