Home / 38,648.84-53,336.07-21,652.97

Finding the Fourth Proportional to 38,648.84, 53,336.07 and 21,652.97

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Solution

The fourth proportional to 38,648.84, 53,336.07 and 21,652.97 is: 29,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648.84 : 53,336.07 = 21,652.97 : x
  2. Step 2: Convert to fraction form
    38,648.84/53,336.07 = 21,652.97/x
  3. Step 3: Cross multiply
    38,648.84x = 53,336.07 × 21,652.97
  4. Step 4: Simplify right side
    38,648.84x = 1,154,884,056.95
  5. Step 5: Solve for x
    x = 1,154,884,056.95/38,648.84
  6. Step 6: Final answer
    x = 29,881.47

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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.