Home / 24,421.20-36,534.60-21,170.40

Finding the Fourth Proportional to 24,421.20, 36,534.60 and 21,170.40

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Solution

The fourth proportional to 24,421.20, 36,534.60 and 21,170.40 is: 31,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,421.20 : 36,534.60 = 21,170.40 : x
  2. Step 2: Convert to fraction form
    24,421.20/36,534.60 = 21,170.40/x
  3. Step 3: Cross multiply
    24,421.20x = 36,534.60 × 21,170.40
  4. Step 4: Simplify right side
    24,421.20x = 773,452,095.84
  5. Step 5: Solve for x
    x = 773,452,095.84/24,421.20
  6. Step 6: Final answer
    x = 31,671.34

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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.