Home / 38,375.90-52,962.63-21,382.91

Finding the Fourth Proportional to 38,375.90, 52,962.63 and 21,382.91

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Solution

The fourth proportional to 38,375.90, 52,962.63 and 21,382.91 is: 29,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375.90 : 52,962.63 = 21,382.91 : x
  2. Step 2: Convert to fraction form
    38,375.90/52,962.63 = 21,382.91/x
  3. Step 3: Cross multiply
    38,375.90x = 52,962.63 × 21,382.91
  4. Step 4: Simplify right side
    38,375.90x = 1,132,495,164.64
  5. Step 5: Solve for x
    x = 1,132,495,164.64/38,375.90
  6. Step 6: Final answer
    x = 29,510.58

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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.