Home / 40,579.78-56,000.56-22,432.76

Finding the Fourth Proportional to 40,579.78, 56,000.56 and 22,432.76

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Solution

The fourth proportional to 40,579.78, 56,000.56 and 22,432.76 is: 30,957.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.78 : 56,000.56 = 22,432.76 : x
  2. Step 2: Convert to fraction form
    40,579.78/56,000.56 = 22,432.76/x
  3. Step 3: Cross multiply
    40,579.78x = 56,000.56 × 22,432.76
  4. Step 4: Simplify right side
    40,579.78x = 1,256,247,122.35
  5. Step 5: Solve for x
    x = 1,256,247,122.35/40,579.78
  6. Step 6: Final answer
    x = 30,957.47

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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.