Home / 38,483.39-53,106.56-21,487.92

Finding the Fourth Proportional to 38,483.39, 53,106.56 and 21,487.92

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Solution

The fourth proportional to 38,483.39, 53,106.56 and 21,487.92 is: 29,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.39 : 53,106.56 = 21,487.92 : x
  2. Step 2: Convert to fraction form
    38,483.39/53,106.56 = 21,487.92/x
  3. Step 3: Cross multiply
    38,483.39x = 53,106.56 × 21,487.92
  4. Step 4: Simplify right side
    38,483.39x = 1,141,149,512.76
  5. Step 5: Solve for x
    x = 1,141,149,512.76/38,483.39
  6. Step 6: Final answer
    x = 29,653.04

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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.