Home / 57,030.80-85,519.20-33,345.20

Finding the Fourth Proportional to 57,030.80, 85,519.20 and 33,345.20

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Solution

The fourth proportional to 57,030.80, 85,519.20 and 33,345.20 is: 50,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,030.80 : 85,519.20 = 33,345.20 : x
  2. Step 2: Convert to fraction form
    57,030.80/85,519.20 = 33,345.20/x
  3. Step 3: Cross multiply
    57,030.80x = 85,519.20 × 33,345.20
  4. Step 4: Simplify right side
    57,030.80x = 2,851,654,827.84
  5. Step 5: Solve for x
    x = 2,851,654,827.84/57,030.80
  6. Step 6: Final answer
    x = 50,002.01

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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.