Home / 50,828.40-70,141.14-28,167.72

Finding the Fourth Proportional to 50,828.40, 70,141.14 and 28,167.72

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Solution

The fourth proportional to 50,828.40, 70,141.14 and 28,167.72 is: 38,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,828.40 : 70,141.14 = 28,167.72 : x
  2. Step 2: Convert to fraction form
    50,828.40/70,141.14 = 28,167.72/x
  3. Step 3: Cross multiply
    50,828.40x = 70,141.14 × 28,167.72
  4. Step 4: Simplify right side
    50,828.40x = 1,975,715,992.00
  5. Step 5: Solve for x
    x = 1,975,715,992.00/50,828.40
  6. Step 6: Final answer
    x = 38,870.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.