Home / 38,928.35-58,428.85-19,967.22

Finding the Fourth Proportional to 38,928.35, 58,428.85 and 19,967.22

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Solution

The fourth proportional to 38,928.35, 58,428.85 and 19,967.22 is: 29,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.35 : 58,428.85 = 19,967.22 : x
  2. Step 2: Convert to fraction form
    38,928.35/58,428.85 = 19,967.22/x
  3. Step 3: Cross multiply
    38,928.35x = 58,428.85 × 19,967.22
  4. Step 4: Simplify right side
    38,928.35x = 1,166,661,677.79
  5. Step 5: Solve for x
    x = 1,166,661,677.79/38,928.35
  6. Step 6: Final answer
    x = 29,969.46

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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.