Home / 50,215.04-69,291.80-28,995.20

Finding the Fourth Proportional to 50,215.04, 69,291.80 and 28,995.20

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Solution

The fourth proportional to 50,215.04, 69,291.80 and 28,995.20 is: 40,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,215.04 : 69,291.80 = 28,995.20 : x
  2. Step 2: Convert to fraction form
    50,215.04/69,291.80 = 28,995.20/x
  3. Step 3: Cross multiply
    50,215.04x = 69,291.80 × 28,995.20
  4. Step 4: Simplify right side
    50,215.04x = 2,009,129,599.36
  5. Step 5: Solve for x
    x = 2,009,129,599.36/50,215.04
  6. Step 6: Final answer
    x = 40,010.51

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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.