Home / 31,039.08-42,872.40-22,527.60

Finding the Fourth Proportional to 31,039.08, 42,872.40 and 22,527.60

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Solution

The fourth proportional to 31,039.08, 42,872.40 and 22,527.60 is: 31,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039.08 : 42,872.40 = 22,527.60 : x
  2. Step 2: Convert to fraction form
    31,039.08/42,872.40 = 22,527.60/x
  3. Step 3: Cross multiply
    31,039.08x = 42,872.40 × 22,527.60
  4. Step 4: Simplify right side
    31,039.08x = 965,812,278.24
  5. Step 5: Solve for x
    x = 965,812,278.24/31,039.08
  6. Step 6: Final answer
    x = 31,116.01

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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.