Home / 39,715.52-54,826.10-22,945.28

Finding the Fourth Proportional to 39,715.52, 54,826.10 and 22,945.28

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Solution

The fourth proportional to 39,715.52, 54,826.10 and 22,945.28 is: 31,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,715.52 : 54,826.10 = 22,945.28 : x
  2. Step 2: Convert to fraction form
    39,715.52/54,826.10 = 22,945.28/x
  3. Step 3: Cross multiply
    39,715.52x = 54,826.10 × 22,945.28
  4. Step 4: Simplify right side
    39,715.52x = 1,258,000,215.81
  5. Step 5: Solve for x
    x = 1,258,000,215.81/39,715.52
  6. Step 6: Final answer
    x = 31,675.28

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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.