Home / 51,424.11-70,964.96-28,763.01

Finding the Fourth Proportional to 51,424.11, 70,964.96 and 28,763.01

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Solution

The fourth proportional to 51,424.11, 70,964.96 and 28,763.01 is: 39,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,424.11 : 70,964.96 = 28,763.01 : x
  2. Step 2: Convert to fraction form
    51,424.11/70,964.96 = 28,763.01/x
  3. Step 3: Cross multiply
    51,424.11x = 70,964.96 × 28,763.01
  4. Step 4: Simplify right side
    51,424.11x = 2,041,165,710.31
  5. Step 5: Solve for x
    x = 2,041,165,710.31/51,424.11
  6. Step 6: Final answer
    x = 39,692.78

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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.