Home / 37,165.81-55,718.97-19,387.55

Finding the Fourth Proportional to 37,165.81, 55,718.97 and 19,387.55

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Solution

The fourth proportional to 37,165.81, 55,718.97 and 19,387.55 is: 29,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,165.81 : 55,718.97 = 19,387.55 : x
  2. Step 2: Convert to fraction form
    37,165.81/55,718.97 = 19,387.55/x
  3. Step 3: Cross multiply
    37,165.81x = 55,718.97 × 19,387.55
  4. Step 4: Simplify right side
    37,165.81x = 1,080,254,038.23
  5. Step 5: Solve for x
    x = 1,080,254,038.23/37,165.81
  6. Step 6: Final answer
    x = 29,065.80

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1.5x scale

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.