Home / 43,220.57-59,642.82-25,315.20

Finding the Fourth Proportional to 43,220.57, 59,642.82 and 25,315.20

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Solution

The fourth proportional to 43,220.57, 59,642.82 and 25,315.20 is: 34,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,220.57 : 59,642.82 = 25,315.20 : x
  2. Step 2: Convert to fraction form
    43,220.57/59,642.82 = 25,315.20/x
  3. Step 3: Cross multiply
    43,220.57x = 59,642.82 × 25,315.20
  4. Step 4: Simplify right side
    43,220.57x = 1,509,869,916.86
  5. Step 5: Solve for x
    x = 1,509,869,916.86/43,220.57
  6. Step 6: Final answer
    x = 34,934.06

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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.