Home / 45,215.38-62,389.62-30,130.56

Finding the Fourth Proportional to 45,215.38, 62,389.62 and 30,130.56

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Solution

The fourth proportional to 45,215.38, 62,389.62 and 30,130.56 is: 41,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,215.38 : 62,389.62 = 30,130.56 : x
  2. Step 2: Convert to fraction form
    45,215.38/62,389.62 = 30,130.56/x
  3. Step 3: Cross multiply
    45,215.38x = 62,389.62 × 30,130.56
  4. Step 4: Simplify right side
    45,215.38x = 1,879,834,188.79
  5. Step 5: Solve for x
    x = 1,879,834,188.79/45,215.38
  6. Step 6: Final answer
    x = 41,575.11

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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.