Home / 57,215.79-85,827.74-25,620.93

Finding the Fourth Proportional to 57,215.79, 85,827.74 and 25,620.93

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Solution

The fourth proportional to 57,215.79, 85,827.74 and 25,620.93 is: 38,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215.79 : 85,827.74 = 25,620.93 : x
  2. Step 2: Convert to fraction form
    57,215.79/85,827.74 = 25,620.93/x
  3. Step 3: Cross multiply
    57,215.79x = 85,827.74 × 25,620.93
  4. Step 4: Simplify right side
    57,215.79x = 2,198,986,390.49
  5. Step 5: Solve for x
    x = 2,198,986,390.49/57,215.79
  6. Step 6: Final answer
    x = 38,433.21

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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.