Home / 72,974.08-109,434.24-26,214.40

Finding the Fourth Proportional to 72,974.08, 109,434.24 and 26,214.40

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Solution

The fourth proportional to 72,974.08, 109,434.24 and 26,214.40 is: 39,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,974.08 : 109,434.24 = 26,214.40 : x
  2. Step 2: Convert to fraction form
    72,974.08/109,434.24 = 26,214.40/x
  3. Step 3: Cross multiply
    72,974.08x = 109,434.24 × 26,214.40
  4. Step 4: Simplify right side
    72,974.08x = 2,868,752,941.06
  5. Step 5: Solve for x
    x = 2,868,752,941.06/72,974.08
  6. Step 6: Final answer
    x = 39,311.94

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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.