Home / 55,700.30-76,871.27-30,554.66

Finding the Fourth Proportional to 55,700.30, 76,871.27 and 30,554.66

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Solution

The fourth proportional to 55,700.30, 76,871.27 and 30,554.66 is: 42,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,700.30 : 76,871.27 = 30,554.66 : x
  2. Step 2: Convert to fraction form
    55,700.30/76,871.27 = 30,554.66/x
  3. Step 3: Cross multiply
    55,700.30x = 76,871.27 × 30,554.66
  4. Step 4: Simplify right side
    55,700.30x = 2,348,775,595.00
  5. Step 5: Solve for x
    x = 2,348,775,595.00/55,700.30
  6. Step 6: Final answer
    x = 42,168.10

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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.