Home / 47,184.17-70,788.90-20,535.89

Finding the Fourth Proportional to 47,184.17, 70,788.90 and 20,535.89

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Solution

The fourth proportional to 47,184.17, 70,788.90 and 20,535.89 is: 30,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,184.17 : 70,788.90 = 20,535.89 : x
  2. Step 2: Convert to fraction form
    47,184.17/70,788.90 = 20,535.89/x
  3. Step 3: Cross multiply
    47,184.17x = 70,788.90 × 20,535.89
  4. Step 4: Simplify right side
    47,184.17x = 1,453,712,709.68
  5. Step 5: Solve for x
    x = 1,453,712,709.68/47,184.17
  6. Step 6: Final answer
    x = 30,809.33

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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.