Home / 60,588.49-90,883.40-21,145.75

Finding the Fourth Proportional to 60,588.49, 90,883.40 and 21,145.75

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Solution

The fourth proportional to 60,588.49, 90,883.40 and 21,145.75 is: 31,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,588.49 : 90,883.40 = 21,145.75 : x
  2. Step 2: Convert to fraction form
    60,588.49/90,883.40 = 21,145.75/x
  3. Step 3: Cross multiply
    60,588.49x = 90,883.40 × 21,145.75
  4. Step 4: Simplify right side
    60,588.49x = 1,921,797,655.55
  5. Step 5: Solve for x
    x = 1,921,797,655.55/60,588.49
  6. Step 6: Final answer
    x = 31,718.86

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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.