Home / 51,149.46-70,588.44-28,488.45

Finding the Fourth Proportional to 51,149.46, 70,588.44 and 28,488.45

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Solution

The fourth proportional to 51,149.46, 70,588.44 and 28,488.45 is: 39,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,149.46 : 70,588.44 = 28,488.45 : x
  2. Step 2: Convert to fraction form
    51,149.46/70,588.44 = 28,488.45/x
  3. Step 3: Cross multiply
    51,149.46x = 70,588.44 × 28,488.45
  4. Step 4: Simplify right side
    51,149.46x = 2,010,955,243.52
  5. Step 5: Solve for x
    x = 2,010,955,243.52/51,149.46
  6. Step 6: Final answer
    x = 39,315.28

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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.