Home / 51,011.90-70,395.06-28,350.34

Finding the Fourth Proportional to 51,011.90, 70,395.06 and 28,350.34

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Solution

The fourth proportional to 51,011.90, 70,395.06 and 28,350.34 is: 39,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011.90 : 70,395.06 = 28,350.34 : x
  2. Step 2: Convert to fraction form
    51,011.90/70,395.06 = 28,350.34/x
  3. Step 3: Cross multiply
    51,011.90x = 70,395.06 × 28,350.34
  4. Step 4: Simplify right side
    51,011.90x = 1,995,723,885.32
  5. Step 5: Solve for x
    x = 1,995,723,885.32/51,011.90
  6. Step 6: Final answer
    x = 39,122.71

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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.