Home / 30,481.90-42,041.76-26,239.93

Finding the Fourth Proportional to 30,481.90, 42,041.76 and 26,239.93

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Solution

The fourth proportional to 30,481.90, 42,041.76 and 26,239.93 is: 36,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.90 : 42,041.76 = 26,239.93 : x
  2. Step 2: Convert to fraction form
    30,481.90/42,041.76 = 26,239.93/x
  3. Step 3: Cross multiply
    30,481.90x = 42,041.76 × 26,239.93
  4. Step 4: Simplify right side
    30,481.90x = 1,103,172,839.48
  5. Step 5: Solve for x
    x = 1,103,172,839.48/30,481.90
  6. Step 6: Final answer
    x = 36,191.08

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1.5x scale

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.