Home / 31,975.18-44,146.29-20,649.76

Finding the Fourth Proportional to 31,975.18, 44,146.29 and 20,649.76

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Solution

The fourth proportional to 31,975.18, 44,146.29 and 20,649.76 is: 28,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.18 : 44,146.29 = 20,649.76 : x
  2. Step 2: Convert to fraction form
    31,975.18/44,146.29 = 20,649.76/x
  3. Step 3: Cross multiply
    31,975.18x = 44,146.29 × 20,649.76
  4. Step 4: Simplify right side
    31,975.18x = 911,610,293.39
  5. Step 5: Solve for x
    x = 911,610,293.39/31,975.18
  6. Step 6: Final answer
    x = 28,509.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.