Home / 42,915.48-59,220.90-25,013.40

Finding the Fourth Proportional to 42,915.48, 59,220.90 and 25,013.40

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Solution

The fourth proportional to 42,915.48, 59,220.90 and 25,013.40 is: 34,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,915.48 : 59,220.90 = 25,013.40 : x
  2. Step 2: Convert to fraction form
    42,915.48/59,220.90 = 25,013.40/x
  3. Step 3: Cross multiply
    42,915.48x = 59,220.90 × 25,013.40
  4. Step 4: Simplify right side
    42,915.48x = 1,481,316,060.06
  5. Step 5: Solve for x
    x = 1,481,316,060.06/42,915.48
  6. Step 6: Final answer
    x = 34,517.06

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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.