Home / 58,222.53-87,352.25-20,781.77

Finding the Fourth Proportional to 58,222.53, 87,352.25 and 20,781.77

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Solution

The fourth proportional to 58,222.53, 87,352.25 and 20,781.77 is: 31,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,222.53 : 87,352.25 = 20,781.77 : x
  2. Step 2: Convert to fraction form
    58,222.53/87,352.25 = 20,781.77/x
  3. Step 3: Cross multiply
    58,222.53x = 87,352.25 × 20,781.77
  4. Step 4: Simplify right side
    58,222.53x = 1,815,334,368.48
  5. Step 5: Solve for x
    x = 1,815,334,368.48/58,222.53
  6. Step 6: Final answer
    x = 31,179.24

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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.