Home / 53,985.72-74,500.38-30,113.92

Finding the Fourth Proportional to 53,985.72, 74,500.38 and 30,113.92

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Solution

The fourth proportional to 53,985.72, 74,500.38 and 30,113.92 is: 41,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.72 : 74,500.38 = 30,113.92 : x
  2. Step 2: Convert to fraction form
    53,985.72/74,500.38 = 30,113.92/x
  3. Step 3: Cross multiply
    53,985.72x = 74,500.38 × 30,113.92
  4. Step 4: Simplify right side
    53,985.72x = 2,243,498,576.42
  5. Step 5: Solve for x
    x = 2,243,498,576.42/53,985.72
  6. Step 6: Final answer
    x = 41,557.26

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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.