Home / 38,587.56-53,239.08-21,590.04

Finding the Fourth Proportional to 38,587.56, 53,239.08 and 21,590.04

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Solution

The fourth proportional to 38,587.56, 53,239.08 and 21,590.04 is: 29,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587.56 : 53,239.08 = 21,590.04 : x
  2. Step 2: Convert to fraction form
    38,587.56/53,239.08 = 21,590.04/x
  3. Step 3: Cross multiply
    38,587.56x = 53,239.08 × 21,590.04
  4. Step 4: Simplify right side
    38,587.56x = 1,149,433,866.76
  5. Step 5: Solve for x
    x = 1,149,433,866.76/38,587.56
  6. Step 6: Final answer
    x = 29,787.68

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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.