Home / 37,821.63-52,200.18-21,915.75

Finding the Fourth Proportional to 37,821.63, 52,200.18 and 21,915.75

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Solution

The fourth proportional to 37,821.63, 52,200.18 and 21,915.75 is: 30,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.63 : 52,200.18 = 21,915.75 : x
  2. Step 2: Convert to fraction form
    37,821.63/52,200.18 = 21,915.75/x
  3. Step 3: Cross multiply
    37,821.63x = 52,200.18 × 21,915.75
  4. Step 4: Simplify right side
    37,821.63x = 1,144,006,094.84
  5. Step 5: Solve for x
    x = 1,144,006,094.84/37,821.63
  6. Step 6: Final answer
    x = 30,247.40

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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.