Home / 39,443.22-59,152.05-13,140.90

Finding the Fourth Proportional to 39,443.22, 59,152.05 and 13,140.90

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Solution

The fourth proportional to 39,443.22, 59,152.05 and 13,140.90 is: 19,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,443.22 : 59,152.05 = 13,140.90 : x
  2. Step 2: Convert to fraction form
    39,443.22/59,152.05 = 13,140.90/x
  3. Step 3: Cross multiply
    39,443.22x = 59,152.05 × 13,140.90
  4. Step 4: Simplify right side
    39,443.22x = 777,311,173.85
  5. Step 5: Solve for x
    x = 777,311,173.85/39,443.22
  6. Step 6: Final answer
    x = 19,707.09

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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.