Home / 54,069.19-74,610.35-31,407.56

Finding the Fourth Proportional to 54,069.19, 74,610.35 and 31,407.56

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Solution

The fourth proportional to 54,069.19, 74,610.35 and 31,407.56 is: 43,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,069.19 : 74,610.35 = 31,407.56 : x
  2. Step 2: Convert to fraction form
    54,069.19/74,610.35 = 31,407.56/x
  3. Step 3: Cross multiply
    54,069.19x = 74,610.35 × 31,407.56
  4. Step 4: Simplify right side
    54,069.19x = 2,343,328,911.72
  5. Step 5: Solve for x
    x = 2,343,328,911.72/54,069.19
  6. Step 6: Final answer
    x = 43,339.45

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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.