Home / 39,479.15-59,242.05-20,760.63

Finding the Fourth Proportional to 39,479.15, 59,242.05 and 20,760.63

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Solution

The fourth proportional to 39,479.15, 59,242.05 and 20,760.63 is: 31,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.15 : 59,242.05 = 20,760.63 : x
  2. Step 2: Convert to fraction form
    39,479.15/59,242.05 = 20,760.63/x
  3. Step 3: Cross multiply
    39,479.15x = 59,242.05 × 20,760.63
  4. Step 4: Simplify right side
    39,479.15x = 1,229,902,360.06
  5. Step 5: Solve for x
    x = 1,229,902,360.06/39,479.15
  6. Step 6: Final answer
    x = 31,153.21

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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.