Home / 42,915.44-59,211.57-25,680.87

Finding the Fourth Proportional to 42,915.44, 59,211.57 and 25,680.87

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Solution

The fourth proportional to 42,915.44, 59,211.57 and 25,680.87 is: 35,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,915.44 : 59,211.57 = 25,680.87 : x
  2. Step 2: Convert to fraction form
    42,915.44/59,211.57 = 25,680.87/x
  3. Step 3: Cross multiply
    42,915.44x = 59,211.57 × 25,680.87
  4. Step 4: Simplify right side
    42,915.44x = 1,520,604,498.41
  5. Step 5: Solve for x
    x = 1,520,604,498.41/42,915.44
  6. Step 6: Final answer
    x = 35,432.57

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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.