Home / 39,838.56-59,768.12-14,878.81

Finding the Fourth Proportional to 39,838.56, 59,768.12 and 14,878.81

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Solution

The fourth proportional to 39,838.56, 59,768.12 and 14,878.81 is: 22,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.56 : 59,768.12 = 14,878.81 : x
  2. Step 2: Convert to fraction form
    39,838.56/59,768.12 = 14,878.81/x
  3. Step 3: Cross multiply
    39,838.56x = 59,768.12 × 14,878.81
  4. Step 4: Simplify right side
    39,838.56x = 889,278,501.54
  5. Step 5: Solve for x
    x = 889,278,501.54/39,838.56
  6. Step 6: Final answer
    x = 22,322.05

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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.