Home / 38,376.04-52,963.78-21,609

Finding the Fourth Proportional to 38,376.04, 52,963.78 and 21,609

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Solution

The fourth proportional to 38,376.04, 52,963.78 and 21,609 is: 29,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.04 : 52,963.78 = 21,609 : x
  2. Step 2: Convert to fraction form
    38,376.04/52,963.78 = 21,609/x
  3. Step 3: Cross multiply
    38,376.04x = 52,963.78 × 21,609
  4. Step 4: Simplify right side
    38,376.04x = 1,144,494,322.02
  5. Step 5: Solve for x
    x = 1,144,494,322.02/38,376.04
  6. Step 6: Final answer
    x = 29,823.15

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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.