Home / 41,979.04-57,931.16-23,116.20

Finding the Fourth Proportional to 41,979.04, 57,931.16 and 23,116.20

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Solution

The fourth proportional to 41,979.04, 57,931.16 and 23,116.20 is: 31,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,979.04 : 57,931.16 = 23,116.20 : x
  2. Step 2: Convert to fraction form
    41,979.04/57,931.16 = 23,116.20/x
  3. Step 3: Cross multiply
    41,979.04x = 57,931.16 × 23,116.20
  4. Step 4: Simplify right side
    41,979.04x = 1,339,148,280.79
  5. Step 5: Solve for x
    x = 1,339,148,280.79/41,979.04
  6. Step 6: Final answer
    x = 31,900.40

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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.