Home / 56,071.31-84,121.16-18,631.58

Finding the Fourth Proportional to 56,071.31, 84,121.16 and 18,631.58

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Solution

The fourth proportional to 56,071.31, 84,121.16 and 18,631.58 is: 27,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,071.31 : 84,121.16 = 18,631.58 : x
  2. Step 2: Convert to fraction form
    56,071.31/84,121.16 = 18,631.58/x
  3. Step 3: Cross multiply
    56,071.31x = 84,121.16 × 18,631.58
  4. Step 4: Simplify right side
    56,071.31x = 1,567,309,608.47
  5. Step 5: Solve for x
    x = 1,567,309,608.47/56,071.31
  6. Step 6: Final answer
    x = 27,952.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.