Home / 51,001.87-70,381.17-28,340.27

Finding the Fourth Proportional to 51,001.87, 70,381.17 and 28,340.27

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Solution

The fourth proportional to 51,001.87, 70,381.17 and 28,340.27 is: 39,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.87 : 70,381.17 = 28,340.27 : x
  2. Step 2: Convert to fraction form
    51,001.87/70,381.17 = 28,340.27/x
  3. Step 3: Cross multiply
    51,001.87x = 70,381.17 × 28,340.27
  4. Step 4: Simplify right side
    51,001.87x = 1,994,621,219.01
  5. Step 5: Solve for x
    x = 1,994,621,219.01/51,001.87
  6. Step 6: Final answer
    x = 39,108.79

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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.