Home / 31,015.40-42,818.78-23,733.81

Finding the Fourth Proportional to 31,015.40, 42,818.78 and 23,733.81

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Solution

The fourth proportional to 31,015.40, 42,818.78 and 23,733.81 is: 32,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.40 : 42,818.78 = 23,733.81 : x
  2. Step 2: Convert to fraction form
    31,015.40/42,818.78 = 23,733.81/x
  3. Step 3: Cross multiply
    31,015.40x = 42,818.78 × 23,733.81
  4. Step 4: Simplify right side
    31,015.40x = 1,016,252,848.29
  5. Step 5: Solve for x
    x = 1,016,252,848.29/31,015.40
  6. Step 6: Final answer
    x = 32,766.08

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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.