Home / 43,061.76-64,602.95-20,849.18

Finding the Fourth Proportional to 43,061.76, 64,602.95 and 20,849.18

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Solution

The fourth proportional to 43,061.76, 64,602.95 and 20,849.18 is: 31,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,061.76 : 64,602.95 = 20,849.18 : x
  2. Step 2: Convert to fraction form
    43,061.76/64,602.95 = 20,849.18/x
  3. Step 3: Cross multiply
    43,061.76x = 64,602.95 × 20,849.18
  4. Step 4: Simplify right side
    43,061.76x = 1,346,918,105.82
  5. Step 5: Solve for x
    x = 1,346,918,105.82/43,061.76
  6. Step 6: Final answer
    x = 31,278.75

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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.