Home / 57,040.23-78,718.08-31,889.73

Finding the Fourth Proportional to 57,040.23, 78,718.08 and 31,889.73

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Solution

The fourth proportional to 57,040.23, 78,718.08 and 31,889.73 is: 44,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.23 : 78,718.08 = 31,889.73 : x
  2. Step 2: Convert to fraction form
    57,040.23/78,718.08 = 31,889.73/x
  3. Step 3: Cross multiply
    57,040.23x = 78,718.08 × 31,889.73
  4. Step 4: Simplify right side
    57,040.23x = 2,510,298,317.32
  5. Step 5: Solve for x
    x = 2,510,298,317.32/57,040.23
  6. Step 6: Final answer
    x = 44,009.26

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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.