Home / 31,902.66-44,025.93-18,477.72

Finding the Fourth Proportional to 31,902.66, 44,025.93 and 18,477.72

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Solution

The fourth proportional to 31,902.66, 44,025.93 and 18,477.72 is: 25,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.66 : 44,025.93 = 18,477.72 : x
  2. Step 2: Convert to fraction form
    31,902.66/44,025.93 = 18,477.72/x
  3. Step 3: Cross multiply
    31,902.66x = 44,025.93 × 18,477.72
  4. Step 4: Simplify right side
    31,902.66x = 813,498,807.28
  5. Step 5: Solve for x
    x = 813,498,807.28/31,902.66
  6. Step 6: Final answer
    x = 25,499.40

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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.