Home / 37,586.06-56,406.43-30,278.78

Finding the Fourth Proportional to 37,586.06, 56,406.43 and 30,278.78

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Solution

The fourth proportional to 37,586.06, 56,406.43 and 30,278.78 is: 45,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,586.06 : 56,406.43 = 30,278.78 : x
  2. Step 2: Convert to fraction form
    37,586.06/56,406.43 = 30,278.78/x
  3. Step 3: Cross multiply
    37,586.06x = 56,406.43 × 30,278.78
  4. Step 4: Simplify right side
    37,586.06x = 1,707,917,681.58
  5. Step 5: Solve for x
    x = 1,707,917,681.58/37,586.06
  6. Step 6: Final answer
    x = 45,440.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.