Home / 39,554.26-54,585.02-21,404.98

Finding the Fourth Proportional to 39,554.26, 54,585.02 and 21,404.98

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Solution

The fourth proportional to 39,554.26, 54,585.02 and 21,404.98 is: 29,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554.26 : 54,585.02 = 21,404.98 : x
  2. Step 2: Convert to fraction form
    39,554.26/54,585.02 = 21,404.98/x
  3. Step 3: Cross multiply
    39,554.26x = 54,585.02 × 21,404.98
  4. Step 4: Simplify right side
    39,554.26x = 1,168,391,017.91
  5. Step 5: Solve for x
    x = 1,168,391,017.91/39,554.26
  6. Step 6: Final answer
    x = 29,538.94

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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.