Home / 39,444.29-54,431.08-21,535.84

Finding the Fourth Proportional to 39,444.29, 54,431.08 and 21,535.84

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Solution

The fourth proportional to 39,444.29, 54,431.08 and 21,535.84 is: 29,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.29 : 54,431.08 = 21,535.84 : x
  2. Step 2: Convert to fraction form
    39,444.29/54,431.08 = 21,535.84/x
  3. Step 3: Cross multiply
    39,444.29x = 54,431.08 × 21,535.84
  4. Step 4: Simplify right side
    39,444.29x = 1,172,219,029.91
  5. Step 5: Solve for x
    x = 1,172,219,029.91/39,444.29
  6. Step 6: Final answer
    x = 29,718.35

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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.