Home / 55,818.94-76,987.70-38,619.92

Finding the Fourth Proportional to 55,818.94, 76,987.70 and 38,619.92

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Solution

The fourth proportional to 55,818.94, 76,987.70 and 38,619.92 is: 53,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.94 : 76,987.70 = 38,619.92 : x
  2. Step 2: Convert to fraction form
    55,818.94/76,987.70 = 38,619.92/x
  3. Step 3: Cross multiply
    55,818.94x = 76,987.70 × 38,619.92
  4. Step 4: Simplify right side
    55,818.94x = 2,973,258,959.18
  5. Step 5: Solve for x
    x = 2,973,258,959.18/55,818.94
  6. Step 6: Final answer
    x = 53,266.13

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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.