Home / 31,581.08-47,362.12-26,020.64

Finding the Fourth Proportional to 31,581.08, 47,362.12 and 26,020.64

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Solution

The fourth proportional to 31,581.08, 47,362.12 and 26,020.64 is: 39,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.08 : 47,362.12 = 26,020.64 : x
  2. Step 2: Convert to fraction form
    31,581.08/47,362.12 = 26,020.64/x
  3. Step 3: Cross multiply
    31,581.08x = 47,362.12 × 26,020.64
  4. Step 4: Simplify right side
    31,581.08x = 1,232,392,674.16
  5. Step 5: Solve for x
    x = 1,232,392,674.16/31,581.08
  6. Step 6: Final answer
    x = 39,023.13

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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.