Home / 39,745.84-59,581.70-13,432.18

Finding the Fourth Proportional to 39,745.84, 59,581.70 and 13,432.18

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Solution

The fourth proportional to 39,745.84, 59,581.70 and 13,432.18 is: 20,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,745.84 : 59,581.70 = 13,432.18 : x
  2. Step 2: Convert to fraction form
    39,745.84/59,581.70 = 13,432.18/x
  3. Step 3: Cross multiply
    39,745.84x = 59,581.70 × 13,432.18
  4. Step 4: Simplify right side
    39,745.84x = 800,312,119.11
  5. Step 5: Solve for x
    x = 800,312,119.11/39,745.84
  6. Step 6: Final answer
    x = 20,135.75

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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.