Home / 40,065.51-55,285.62-22,158.09

Finding the Fourth Proportional to 40,065.51, 55,285.62 and 22,158.09

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Solution

The fourth proportional to 40,065.51, 55,285.62 and 22,158.09 is: 30,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.51 : 55,285.62 = 22,158.09 : x
  2. Step 2: Convert to fraction form
    40,065.51/55,285.62 = 22,158.09/x
  3. Step 3: Cross multiply
    40,065.51x = 55,285.62 × 22,158.09
  4. Step 4: Simplify right side
    40,065.51x = 1,225,023,743.67
  5. Step 5: Solve for x
    x = 1,225,023,743.67/40,065.51
  6. Step 6: Final answer
    x = 30,575.52

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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.