Home / 31,831.48-47,741.05-30,250.90

Finding the Fourth Proportional to 31,831.48, 47,741.05 and 30,250.90

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Solution

The fourth proportional to 31,831.48, 47,741.05 and 30,250.90 is: 45,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.48 : 47,741.05 = 30,250.90 : x
  2. Step 2: Convert to fraction form
    31,831.48/47,741.05 = 30,250.90/x
  3. Step 3: Cross multiply
    31,831.48x = 47,741.05 × 30,250.90
  4. Step 4: Simplify right side
    31,831.48x = 1,444,209,729.45
  5. Step 5: Solve for x
    x = 1,444,209,729.45/31,831.48
  6. Step 6: Final answer
    x = 45,370.49

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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.