Home / 31,419.95-47,137.43-9,232.83

Finding the Fourth Proportional to 31,419.95, 47,137.43 and 9,232.83

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Solution

The fourth proportional to 31,419.95, 47,137.43 and 9,232.83 is: 13,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.95 : 47,137.43 = 9,232.83 : x
  2. Step 2: Convert to fraction form
    31,419.95/47,137.43 = 9,232.83/x
  3. Step 3: Cross multiply
    31,419.95x = 47,137.43 × 9,232.83
  4. Step 4: Simplify right side
    31,419.95x = 435,211,831.66
  5. Step 5: Solve for x
    x = 435,211,831.66/31,419.95
  6. Step 6: Final answer
    x = 13,851.45

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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.