Home / 39,888.56-59,839.95-13,236.15

Finding the Fourth Proportional to 39,888.56, 59,839.95 and 13,236.15

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Solution

The fourth proportional to 39,888.56, 59,839.95 and 13,236.15 is: 19,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.56 : 59,839.95 = 13,236.15 : x
  2. Step 2: Convert to fraction form
    39,888.56/59,839.95 = 13,236.15/x
  3. Step 3: Cross multiply
    39,888.56x = 59,839.95 × 13,236.15
  4. Step 4: Simplify right side
    39,888.56x = 792,050,683.78
  5. Step 5: Solve for x
    x = 792,050,683.78/39,888.56
  6. Step 6: Final answer
    x = 19,856.59

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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.