Home / 55,784.28-83,669.88-20,714.52

Finding the Fourth Proportional to 55,784.28, 83,669.88 and 20,714.52

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Solution

The fourth proportional to 55,784.28, 83,669.88 and 20,714.52 is: 31,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784.28 : 83,669.88 = 20,714.52 : x
  2. Step 2: Convert to fraction form
    55,784.28/83,669.88 = 20,714.52/x
  3. Step 3: Cross multiply
    55,784.28x = 83,669.88 × 20,714.52
  4. Step 4: Simplify right side
    55,784.28x = 1,733,181,402.66
  5. Step 5: Solve for x
    x = 1,733,181,402.66/55,784.28
  6. Step 6: Final answer
    x = 31,069.35

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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.