Home / 56,346.64-84,562.79-20,841.55

Finding the Fourth Proportional to 56,346.64, 84,562.79 and 20,841.55

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Solution

The fourth proportional to 56,346.64, 84,562.79 and 20,841.55 is: 31,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,346.64 : 84,562.79 = 20,841.55 : x
  2. Step 2: Convert to fraction form
    56,346.64/84,562.79 = 20,841.55/x
  3. Step 3: Cross multiply
    56,346.64x = 84,562.79 × 20,841.55
  4. Step 4: Simplify right side
    56,346.64x = 1,762,419,300.31
  5. Step 5: Solve for x
    x = 1,762,419,300.31/56,346.64
  6. Step 6: Final answer
    x = 31,278.16

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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.