Home / 52,837.04-72,915.76-28,963.20

Finding the Fourth Proportional to 52,837.04, 72,915.76 and 28,963.20

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Solution

The fourth proportional to 52,837.04, 72,915.76 and 28,963.20 is: 39,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,837.04 : 72,915.76 = 28,963.20 : x
  2. Step 2: Convert to fraction form
    52,837.04/72,915.76 = 28,963.20/x
  3. Step 3: Cross multiply
    52,837.04x = 72,915.76 × 28,963.20
  4. Step 4: Simplify right side
    52,837.04x = 2,111,874,049.67
  5. Step 5: Solve for x
    x = 2,111,874,049.67/52,837.04
  6. Step 6: Final answer
    x = 39,969.57

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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.