Home / 40,840.47-61,206.19-21,826.13

Finding the Fourth Proportional to 40,840.47, 61,206.19 and 21,826.13

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Solution

The fourth proportional to 40,840.47, 61,206.19 and 21,826.13 is: 32,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840.47 : 61,206.19 = 21,826.13 : x
  2. Step 2: Convert to fraction form
    40,840.47/61,206.19 = 21,826.13/x
  3. Step 3: Cross multiply
    40,840.47x = 61,206.19 × 21,826.13
  4. Step 4: Simplify right side
    40,840.47x = 1,335,894,181.72
  5. Step 5: Solve for x
    x = 1,335,894,181.72/40,840.47
  6. Step 6: Final answer
    x = 32,710.06

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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.