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Finding the Fourth Proportional to 61,701.12, 92,556 and 30,528

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Solution

The fourth proportional to 61,701.12, 92,556 and 30,528 is: 45,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,701.12 : 92,556 = 30,528 : x
  2. Step 2: Convert to fraction form
    61,701.12/92,556 = 30,528/x
  3. Step 3: Cross multiply
    61,701.12x = 92,556 × 30,528
  4. Step 4: Simplify right side
    61,701.12x = 2,825,549,568
  5. Step 5: Solve for x
    x = 2,825,549,568/61,701.12
  6. Step 6: Final answer
    x = 45,794.14

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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.