Home / 57,023.10-78,689.52-31,527.81

Finding the Fourth Proportional to 57,023.10, 78,689.52 and 31,527.81

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Solution

The fourth proportional to 57,023.10, 78,689.52 and 31,527.81 is: 43,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.10 : 78,689.52 = 31,527.81 : x
  2. Step 2: Convert to fraction form
    57,023.10/78,689.52 = 31,527.81/x
  3. Step 3: Cross multiply
    57,023.10x = 78,689.52 × 31,527.81
  4. Step 4: Simplify right side
    57,023.10x = 2,480,908,235.55
  5. Step 5: Solve for x
    x = 2,480,908,235.55/57,023.10
  6. Step 6: Final answer
    x = 43,507.07

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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.