Home / 47,823.80-71,649.30-40,911.80

Finding the Fourth Proportional to 47,823.80, 71,649.30 and 40,911.80

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Solution

The fourth proportional to 47,823.80, 71,649.30 and 40,911.80 is: 61,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,823.80 : 71,649.30 = 40,911.80 : x
  2. Step 2: Convert to fraction form
    47,823.80/71,649.30 = 40,911.80/x
  3. Step 3: Cross multiply
    47,823.80x = 71,649.30 × 40,911.80
  4. Step 4: Simplify right side
    47,823.80x = 2,931,301,831.74
  5. Step 5: Solve for x
    x = 2,931,301,831.74/47,823.80
  6. Step 6: Final answer
    x = 61,293.79

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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.