Home / 51,217.99-70,675.66-28,554.85

Finding the Fourth Proportional to 51,217.99, 70,675.66 and 28,554.85

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Solution

The fourth proportional to 51,217.99, 70,675.66 and 28,554.85 is: 39,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.99 : 70,675.66 = 28,554.85 : x
  2. Step 2: Convert to fraction form
    51,217.99/70,675.66 = 28,554.85/x
  3. Step 3: Cross multiply
    51,217.99x = 70,675.66 × 28,554.85
  4. Step 4: Simplify right side
    51,217.99x = 2,018,132,435.82
  5. Step 5: Solve for x
    x = 2,018,132,435.82/51,217.99
  6. Step 6: Final answer
    x = 39,402.81

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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.