Home / 74,884.10-103,339.24-40,892.48

Finding the Fourth Proportional to 74,884.10, 103,339.24 and 40,892.48

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Solution

The fourth proportional to 74,884.10, 103,339.24 and 40,892.48 is: 56,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.10 : 103,339.24 = 40,892.48 : x
  2. Step 2: Convert to fraction form
    74,884.10/103,339.24 = 40,892.48/x
  3. Step 3: Cross multiply
    74,884.10x = 103,339.24 × 40,892.48
  4. Step 4: Simplify right side
    74,884.10x = 4,225,797,803.53
  5. Step 5: Solve for x
    x = 4,225,797,803.53/74,884.10
  6. Step 6: Final answer
    x = 56,431.18

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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.