Home / 42,915.66-59,244.33-28,599.31

Finding the Fourth Proportional to 42,915.66, 59,244.33 and 28,599.31

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Solution

The fourth proportional to 42,915.66, 59,244.33 and 28,599.31 is: 39,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,915.66 : 59,244.33 = 28,599.31 : x
  2. Step 2: Convert to fraction form
    42,915.66/59,244.33 = 28,599.31/x
  3. Step 3: Cross multiply
    42,915.66x = 59,244.33 × 28,599.31
  4. Step 4: Simplify right side
    42,915.66x = 1,694,346,959.41
  5. Step 5: Solve for x
    x = 1,694,346,959.41/42,915.66
  6. Step 6: Final answer
    x = 39,480.86

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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.