Home / 35,407.14-48,854.01-20,494.50

Finding the Fourth Proportional to 35,407.14, 48,854.01 and 20,494.50

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Solution

The fourth proportional to 35,407.14, 48,854.01 and 20,494.50 is: 28,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.14 : 48,854.01 = 20,494.50 : x
  2. Step 2: Convert to fraction form
    35,407.14/48,854.01 = 20,494.50/x
  3. Step 3: Cross multiply
    35,407.14x = 48,854.01 × 20,494.50
  4. Step 4: Simplify right side
    35,407.14x = 1,001,238,507.95
  5. Step 5: Solve for x
    x = 1,001,238,507.95/35,407.14
  6. Step 6: Final answer
    x = 28,277.87

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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.