Home / 38,637.61-53,324.33-21,646.44

Finding the Fourth Proportional to 38,637.61, 53,324.33 and 21,646.44

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Solution

The fourth proportional to 38,637.61, 53,324.33 and 21,646.44 is: 29,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,637.61 : 53,324.33 = 21,646.44 : x
  2. Step 2: Convert to fraction form
    38,637.61/53,324.33 = 21,646.44/x
  3. Step 3: Cross multiply
    38,637.61x = 53,324.33 × 21,646.44
  4. Step 4: Simplify right side
    38,637.61x = 1,154,281,801.65
  5. Step 5: Solve for x
    x = 1,154,281,801.65/38,637.61
  6. Step 6: Final answer
    x = 29,874.57

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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.