Home / 30,915.56-42,680.02-24,186.90

Finding the Fourth Proportional to 30,915.56, 42,680.02 and 24,186.90

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Solution

The fourth proportional to 30,915.56, 42,680.02 and 24,186.90 is: 33,390.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915.56 : 42,680.02 = 24,186.90 : x
  2. Step 2: Convert to fraction form
    30,915.56/42,680.02 = 24,186.90/x
  3. Step 3: Cross multiply
    30,915.56x = 42,680.02 × 24,186.90
  4. Step 4: Simplify right side
    30,915.56x = 1,032,297,375.74
  5. Step 5: Solve for x
    x = 1,032,297,375.74/30,915.56
  6. Step 6: Final answer
    x = 33,390.87

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1.5x scale

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.