Home / 42,825.04-64,154.44-31,559.92

Finding the Fourth Proportional to 42,825.04, 64,154.44 and 31,559.92

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Solution

The fourth proportional to 42,825.04, 64,154.44 and 31,559.92 is: 47,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,825.04 : 64,154.44 = 31,559.92 : x
  2. Step 2: Convert to fraction form
    42,825.04/64,154.44 = 31,559.92/x
  3. Step 3: Cross multiply
    42,825.04x = 64,154.44 × 31,559.92
  4. Step 4: Simplify right side
    42,825.04x = 2,024,708,994.04
  5. Step 5: Solve for x
    x = 2,024,708,994.04/42,825.04
  6. Step 6: Final answer
    x = 47,278.62

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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.