Home / 57,960.29-86,915.37-20,013.56

Finding the Fourth Proportional to 57,960.29, 86,915.37 and 20,013.56

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Solution

The fourth proportional to 57,960.29, 86,915.37 and 20,013.56 is: 30,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.29 : 86,915.37 = 20,013.56 : x
  2. Step 2: Convert to fraction form
    57,960.29/86,915.37 = 20,013.56/x
  3. Step 3: Cross multiply
    57,960.29x = 86,915.37 × 20,013.56
  4. Step 4: Simplify right side
    57,960.29x = 1,739,486,264.76
  5. Step 5: Solve for x
    x = 1,739,486,264.76/57,960.29
  6. Step 6: Final answer
    x = 30,011.69

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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.