Home / 56,910.20-85,307.92-19,444.76

Finding the Fourth Proportional to 56,910.20, 85,307.92 and 19,444.76

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Solution

The fourth proportional to 56,910.20, 85,307.92 and 19,444.76 is: 29,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.20 : 85,307.92 = 19,444.76 : x
  2. Step 2: Convert to fraction form
    56,910.20/85,307.92 = 19,444.76/x
  3. Step 3: Cross multiply
    56,910.20x = 85,307.92 × 19,444.76
  4. Step 4: Simplify right side
    56,910.20x = 1,658,791,875.25
  5. Step 5: Solve for x
    x = 1,658,791,875.25/56,910.20
  6. Step 6: Final answer
    x = 29,147.53

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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.