Home / 39,801.83-54,926.61-21,897.95

Finding the Fourth Proportional to 39,801.83, 54,926.61 and 21,897.95

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Solution

The fourth proportional to 39,801.83, 54,926.61 and 21,897.95 is: 30,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.83 : 54,926.61 = 21,897.95 : x
  2. Step 2: Convert to fraction form
    39,801.83/54,926.61 = 21,897.95/x
  3. Step 3: Cross multiply
    39,801.83x = 54,926.61 × 21,897.95
  4. Step 4: Simplify right side
    39,801.83x = 1,202,779,802.70
  5. Step 5: Solve for x
    x = 1,202,779,802.70/39,801.83
  6. Step 6: Final answer
    x = 30,219.21

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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.