Home / 39,328.40-59,002.20-11,626.40

Finding the Fourth Proportional to 39,328.40, 59,002.20 and 11,626.40

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Solution

The fourth proportional to 39,328.40, 59,002.20 and 11,626.40 is: 17,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,328.40 : 59,002.20 = 11,626.40 : x
  2. Step 2: Convert to fraction form
    39,328.40/59,002.20 = 11,626.40/x
  3. Step 3: Cross multiply
    39,328.40x = 59,002.20 × 11,626.40
  4. Step 4: Simplify right side
    39,328.40x = 685,983,178.08
  5. Step 5: Solve for x
    x = 685,983,178.08/39,328.40
  6. Step 6: Final answer
    x = 17,442.44

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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.