Home / 39,869.16-55,018.80-23,747.76

Finding the Fourth Proportional to 39,869.16, 55,018.80 and 23,747.76

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Solution

The fourth proportional to 39,869.16, 55,018.80 and 23,747.76 is: 32,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869.16 : 55,018.80 = 23,747.76 : x
  2. Step 2: Convert to fraction form
    39,869.16/55,018.80 = 23,747.76/x
  3. Step 3: Cross multiply
    39,869.16x = 55,018.80 × 23,747.76
  4. Step 4: Simplify right side
    39,869.16x = 1,306,573,257.89
  5. Step 5: Solve for x
    x = 1,306,573,257.89/39,869.16
  6. Step 6: Final answer
    x = 32,771.53

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1.5x scale

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.