Home / 40,079.72-55,300.02-25,915.52

Finding the Fourth Proportional to 40,079.72, 55,300.02 and 25,915.52

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Solution

The fourth proportional to 40,079.72, 55,300.02 and 25,915.52 is: 35,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.72 : 55,300.02 = 25,915.52 : x
  2. Step 2: Convert to fraction form
    40,079.72/55,300.02 = 25,915.52/x
  3. Step 3: Cross multiply
    40,079.72x = 55,300.02 × 25,915.52
  4. Step 4: Simplify right side
    40,079.72x = 1,433,128,774.31
  5. Step 5: Solve for x
    x = 1,433,128,774.31/40,079.72
  6. Step 6: Final answer
    x = 35,756.96

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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.