Home / 38,182.23-57,259.62-13,215.51

Finding the Fourth Proportional to 38,182.23, 57,259.62 and 13,215.51

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Solution

The fourth proportional to 38,182.23, 57,259.62 and 13,215.51 is: 19,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,182.23 : 57,259.62 = 13,215.51 : x
  2. Step 2: Convert to fraction form
    38,182.23/57,259.62 = 13,215.51/x
  3. Step 3: Cross multiply
    38,182.23x = 57,259.62 × 13,215.51
  4. Step 4: Simplify right side
    38,182.23x = 756,715,080.71
  5. Step 5: Solve for x
    x = 756,715,080.71/38,182.23
  6. Step 6: Final answer
    x = 19,818.51

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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.