Home / 39,376.08-59,081.54-20,651.63

Finding the Fourth Proportional to 39,376.08, 59,081.54 and 20,651.63

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Solution

The fourth proportional to 39,376.08, 59,081.54 and 20,651.63 is: 30,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.08 : 59,081.54 = 20,651.63 : x
  2. Step 2: Convert to fraction form
    39,376.08/59,081.54 = 20,651.63/x
  3. Step 3: Cross multiply
    39,376.08x = 59,081.54 × 20,651.63
  4. Step 4: Simplify right side
    39,376.08x = 1,220,129,705.24
  5. Step 5: Solve for x
    x = 1,220,129,705.24/39,376.08
  6. Step 6: Final answer
    x = 30,986.57

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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.