Home / 30,310.97-45,437.28-15,526.85

Finding the Fourth Proportional to 30,310.97, 45,437.28 and 15,526.85

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Solution

The fourth proportional to 30,310.97, 45,437.28 and 15,526.85 is: 23,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.97 : 45,437.28 = 15,526.85 : x
  2. Step 2: Convert to fraction form
    30,310.97/45,437.28 = 15,526.85/x
  3. Step 3: Cross multiply
    30,310.97x = 45,437.28 × 15,526.85
  4. Step 4: Simplify right side
    30,310.97x = 705,497,830.97
  5. Step 5: Solve for x
    x = 705,497,830.97/30,310.97
  6. Step 6: Final answer
    x = 23,275.33

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1.5x scale

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.