Home / 50,889.39-70,231.71-28,235.72

Finding the Fourth Proportional to 50,889.39, 70,231.71 and 28,235.72

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Solution

The fourth proportional to 50,889.39, 70,231.71 and 28,235.72 is: 38,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,889.39 : 70,231.71 = 28,235.72 : x
  2. Step 2: Convert to fraction form
    50,889.39/70,231.71 = 28,235.72/x
  3. Step 3: Cross multiply
    50,889.39x = 70,231.71 × 28,235.72
  4. Step 4: Simplify right side
    50,889.39x = 1,983,042,547.52
  5. Step 5: Solve for x
    x = 1,983,042,547.52/50,889.39
  6. Step 6: Final answer
    x = 38,967.70

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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.