Home / 30,642.14-45,939.85-15,841.62

Finding the Fourth Proportional to 30,642.14, 45,939.85 and 15,841.62

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Solution

The fourth proportional to 30,642.14, 45,939.85 and 15,841.62 is: 23,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,642.14 : 45,939.85 = 15,841.62 : x
  2. Step 2: Convert to fraction form
    30,642.14/45,939.85 = 15,841.62/x
  3. Step 3: Cross multiply
    30,642.14x = 45,939.85 × 15,841.62
  4. Step 4: Simplify right side
    30,642.14x = 727,761,606.95
  5. Step 5: Solve for x
    x = 727,761,606.95/30,642.14
  6. Step 6: Final answer
    x = 23,750.35

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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.