Home / 63,139-94,740.92-31,975.08

Finding the Fourth Proportional to 63,139, 94,740.92 and 31,975.08

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Solution

The fourth proportional to 63,139, 94,740.92 and 31,975.08 is: 47,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139 : 94,740.92 = 31,975.08 : x
  2. Step 2: Convert to fraction form
    63,139/94,740.92 = 31,975.08/x
  3. Step 3: Cross multiply
    63,139x = 94,740.92 × 31,975.08
  4. Step 4: Simplify right side
    63,139x = 3,029,348,496.27
  5. Step 5: Solve for x
    x = 3,029,348,496.27/63,139
  6. Step 6: Final answer
    x = 47,979.04

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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.