Home / 52,690.30-72,713.85-30,031.39

Finding the Fourth Proportional to 52,690.30, 72,713.85 and 30,031.39

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Solution

The fourth proportional to 52,690.30, 72,713.85 and 30,031.39 is: 41,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,690.30 : 72,713.85 = 30,031.39 : x
  2. Step 2: Convert to fraction form
    52,690.30/72,713.85 = 30,031.39/x
  3. Step 3: Cross multiply
    52,690.30x = 72,713.85 × 30,031.39
  4. Step 4: Simplify right side
    52,690.30x = 2,183,698,134.95
  5. Step 5: Solve for x
    x = 2,183,698,134.95/52,690.30
  6. Step 6: Final answer
    x = 41,444.03

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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.