Home / 31,180.10-43,040.85-19,248.26

Finding the Fourth Proportional to 31,180.10, 43,040.85 and 19,248.26

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Solution

The fourth proportional to 31,180.10, 43,040.85 and 19,248.26 is: 26,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.10 : 43,040.85 = 19,248.26 : x
  2. Step 2: Convert to fraction form
    31,180.10/43,040.85 = 19,248.26/x
  3. Step 3: Cross multiply
    31,180.10x = 43,040.85 × 19,248.26
  4. Step 4: Simplify right side
    31,180.10x = 828,461,471.42
  5. Step 5: Solve for x
    x = 828,461,471.42/31,180.10
  6. Step 6: Final answer
    x = 26,570.20

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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.