Home / 39,517.32-59,271.78-13,219.08

Finding the Fourth Proportional to 39,517.32, 59,271.78 and 13,219.08

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Solution

The fourth proportional to 39,517.32, 59,271.78 and 13,219.08 is: 19,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.32 : 59,271.78 = 13,219.08 : x
  2. Step 2: Convert to fraction form
    39,517.32/59,271.78 = 13,219.08/x
  3. Step 3: Cross multiply
    39,517.32x = 59,271.78 × 13,219.08
  4. Step 4: Simplify right side
    39,517.32x = 783,518,401.56
  5. Step 5: Solve for x
    x = 783,518,401.56/39,517.32
  6. Step 6: Final answer
    x = 19,827.22

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1.5x scale

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.