Home / 40,960.04-61,439.64-18,767.12

Finding the Fourth Proportional to 40,960.04, 61,439.64 and 18,767.12

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Solution

The fourth proportional to 40,960.04, 61,439.64 and 18,767.12 is: 28,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.04 : 61,439.64 = 18,767.12 : x
  2. Step 2: Convert to fraction form
    40,960.04/61,439.64 = 18,767.12/x
  3. Step 3: Cross multiply
    40,960.04x = 61,439.64 × 18,767.12
  4. Step 4: Simplify right side
    40,960.04x = 1,153,045,096.64
  5. Step 5: Solve for x
    x = 1,153,045,096.64/40,960.04
  6. Step 6: Final answer
    x = 28,150.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.