Home / 49,130.16-67,791.12-28,985.52

Finding the Fourth Proportional to 49,130.16, 67,791.12 and 28,985.52

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Solution

The fourth proportional to 49,130.16, 67,791.12 and 28,985.52 is: 39,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.16 : 67,791.12 = 28,985.52 : x
  2. Step 2: Convert to fraction form
    49,130.16/67,791.12 = 28,985.52/x
  3. Step 3: Cross multiply
    49,130.16x = 67,791.12 × 28,985.52
  4. Step 4: Simplify right side
    49,130.16x = 1,964,960,864.58
  5. Step 5: Solve for x
    x = 1,964,960,864.58/49,130.16
  6. Step 6: Final answer
    x = 39,995.00

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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.