Home / 61,946.78-85,500.23-40,728.02

Finding the Fourth Proportional to 61,946.78, 85,500.23 and 40,728.02

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Solution

The fourth proportional to 61,946.78, 85,500.23 and 40,728.02 is: 56,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,946.78 : 85,500.23 = 40,728.02 : x
  2. Step 2: Convert to fraction form
    61,946.78/85,500.23 = 40,728.02/x
  3. Step 3: Cross multiply
    61,946.78x = 85,500.23 × 40,728.02
  4. Step 4: Simplify right side
    61,946.78x = 3,482,254,446.30
  5. Step 5: Solve for x
    x = 3,482,254,446.30/61,946.78
  6. Step 6: Final answer
    x = 56,213.65

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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.