Home / 39,017.34-53,843.52-21,111.95

Finding the Fourth Proportional to 39,017.34, 53,843.52 and 21,111.95

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Solution

The fourth proportional to 39,017.34, 53,843.52 and 21,111.95 is: 29,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,017.34 : 53,843.52 = 21,111.95 : x
  2. Step 2: Convert to fraction form
    39,017.34/53,843.52 = 21,111.95/x
  3. Step 3: Cross multiply
    39,017.34x = 53,843.52 × 21,111.95
  4. Step 4: Simplify right side
    39,017.34x = 1,136,741,702.06
  5. Step 5: Solve for x
    x = 1,136,741,702.06/39,017.34
  6. Step 6: Final answer
    x = 29,134.27

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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.