Home / 50,693.20-69,950.48-28,030.64

Finding the Fourth Proportional to 50,693.20, 69,950.48 and 28,030.64

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Solution

The fourth proportional to 50,693.20, 69,950.48 and 28,030.64 is: 38,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,693.20 : 69,950.48 = 28,030.64 : x
  2. Step 2: Convert to fraction form
    50,693.20/69,950.48 = 28,030.64/x
  3. Step 3: Cross multiply
    50,693.20x = 69,950.48 × 28,030.64
  4. Step 4: Simplify right side
    50,693.20x = 1,960,756,722.71
  5. Step 5: Solve for x
    x = 1,960,756,722.71/50,693.20
  6. Step 6: Final answer
    x = 38,678.89

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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.