Home / 39,736.82-59,621.55-18,947.06

Finding the Fourth Proportional to 39,736.82, 59,621.55 and 18,947.06

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Solution

The fourth proportional to 39,736.82, 59,621.55 and 18,947.06 is: 28,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,736.82 : 59,621.55 = 18,947.06 : x
  2. Step 2: Convert to fraction form
    39,736.82/59,621.55 = 18,947.06/x
  3. Step 3: Cross multiply
    39,736.82x = 59,621.55 × 18,947.06
  4. Step 4: Simplify right side
    39,736.82x = 1,129,653,085.14
  5. Step 5: Solve for x
    x = 1,129,653,085.14/39,736.82
  6. Step 6: Final answer
    x = 28,428.37

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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.