Home / 32,915.60-49,373.40-21,837.20

Finding the Fourth Proportional to 32,915.60, 49,373.40 and 21,837.20

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Solution

The fourth proportional to 32,915.60, 49,373.40 and 21,837.20 is: 32,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.60 : 49,373.40 = 21,837.20 : x
  2. Step 2: Convert to fraction form
    32,915.60/49,373.40 = 21,837.20/x
  3. Step 3: Cross multiply
    32,915.60x = 49,373.40 × 21,837.20
  4. Step 4: Simplify right side
    32,915.60x = 1,078,176,810.48
  5. Step 5: Solve for x
    x = 1,078,176,810.48/32,915.60
  6. Step 6: Final answer
    x = 32,755.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.