Home / 52,876.75-72,972.80-30,527.95

Finding the Fourth Proportional to 52,876.75, 72,972.80 and 30,527.95

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Solution

The fourth proportional to 52,876.75, 72,972.80 and 30,527.95 is: 42,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,876.75 : 72,972.80 = 30,527.95 : x
  2. Step 2: Convert to fraction form
    52,876.75/72,972.80 = 30,527.95/x
  3. Step 3: Cross multiply
    52,876.75x = 72,972.80 × 30,527.95
  4. Step 4: Simplify right side
    52,876.75x = 2,227,709,989.76
  5. Step 5: Solve for x
    x = 2,227,709,989.76/52,876.75
  6. Step 6: Final answer
    x = 42,130.24

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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.