Home / 29,675.52-40,955.46-18,920.76

Finding the Fourth Proportional to 29,675.52, 40,955.46 and 18,920.76

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Solution

The fourth proportional to 29,675.52, 40,955.46 and 18,920.76 is: 26,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,675.52 : 40,955.46 = 18,920.76 : x
  2. Step 2: Convert to fraction form
    29,675.52/40,955.46 = 18,920.76/x
  3. Step 3: Cross multiply
    29,675.52x = 40,955.46 × 18,920.76
  4. Step 4: Simplify right side
    29,675.52x = 774,908,429.35
  5. Step 5: Solve for x
    x = 774,908,429.35/29,675.52
  6. Step 6: Final answer
    x = 26,112.72

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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.