Home / 42,778.64-59,033.04-23,915.72

Finding the Fourth Proportional to 42,778.64, 59,033.04 and 23,915.72

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Solution

The fourth proportional to 42,778.64, 59,033.04 and 23,915.72 is: 33,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,778.64 : 59,033.04 = 23,915.72 : x
  2. Step 2: Convert to fraction form
    42,778.64/59,033.04 = 23,915.72/x
  3. Step 3: Cross multiply
    42,778.64x = 59,033.04 × 23,915.72
  4. Step 4: Simplify right side
    42,778.64x = 1,411,817,655.39
  5. Step 5: Solve for x
    x = 1,411,817,655.39/42,778.64
  6. Step 6: Final answer
    x = 33,002.86

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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.