Home / 39,870.20-59,894.40-33,309.20

Finding the Fourth Proportional to 39,870.20, 59,894.40 and 33,309.20

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Solution

The fourth proportional to 39,870.20, 59,894.40 and 33,309.20 is: 50,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870.20 : 59,894.40 = 33,309.20 : x
  2. Step 2: Convert to fraction form
    39,870.20/59,894.40 = 33,309.20/x
  3. Step 3: Cross multiply
    39,870.20x = 59,894.40 × 33,309.20
  4. Step 4: Simplify right side
    39,870.20x = 1,995,034,548.48
  5. Step 5: Solve for x
    x = 1,995,034,548.48/39,870.20
  6. Step 6: Final answer
    x = 50,038.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.