Home / 51,011.64-70,395.75-28,350.27

Finding the Fourth Proportional to 51,011.64, 70,395.75 and 28,350.27

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Solution

The fourth proportional to 51,011.64, 70,395.75 and 28,350.27 is: 39,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011.64 : 70,395.75 = 28,350.27 : x
  2. Step 2: Convert to fraction form
    51,011.64/70,395.75 = 28,350.27/x
  3. Step 3: Cross multiply
    51,011.64x = 70,395.75 × 28,350.27
  4. Step 4: Simplify right side
    51,011.64x = 1,995,738,519.35
  5. Step 5: Solve for x
    x = 1,995,738,519.35/51,011.64
  6. Step 6: Final answer
    x = 39,123.20

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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.