Home / 54,030.54-81,070.11-34,303.80

Finding the Fourth Proportional to 54,030.54, 81,070.11 and 34,303.80

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Solution

The fourth proportional to 54,030.54, 81,070.11 and 34,303.80 is: 51,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,030.54 : 81,070.11 = 34,303.80 : x
  2. Step 2: Convert to fraction form
    54,030.54/81,070.11 = 34,303.80/x
  3. Step 3: Cross multiply
    54,030.54x = 81,070.11 × 34,303.80
  4. Step 4: Simplify right side
    54,030.54x = 2,781,012,839.42
  5. Step 5: Solve for x
    x = 2,781,012,839.42/54,030.54
  6. Step 6: Final answer
    x = 51,471.13

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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.