Home / 38,928.30-58,393.35-13,970.04

Finding the Fourth Proportional to 38,928.30, 58,393.35 and 13,970.04

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Solution

The fourth proportional to 38,928.30, 58,393.35 and 13,970.04 is: 20,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,928.30 : 58,393.35 = 13,970.04 : x
  2. Step 2: Convert to fraction form
    38,928.30/58,393.35 = 13,970.04/x
  3. Step 3: Cross multiply
    38,928.30x = 58,393.35 × 13,970.04
  4. Step 4: Simplify right side
    38,928.30x = 815,757,435.23
  5. Step 5: Solve for x
    x = 815,757,435.23/38,928.30
  6. Step 6: Final answer
    x = 20,955.38

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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.