Home / 60,778.47-90,999.77-31,132.47

Finding the Fourth Proportional to 60,778.47, 90,999.77 and 31,132.47

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Solution

The fourth proportional to 60,778.47, 90,999.77 and 31,132.47 is: 46,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,778.47 : 90,999.77 = 31,132.47 : x
  2. Step 2: Convert to fraction form
    60,778.47/90,999.77 = 31,132.47/x
  3. Step 3: Cross multiply
    60,778.47x = 90,999.77 × 31,132.47
  4. Step 4: Simplify right side
    60,778.47x = 2,833,047,453.87
  5. Step 5: Solve for x
    x = 2,833,047,453.87/60,778.47
  6. Step 6: Final answer
    x = 46,612.68

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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.