Home / 50,875.49-70,205.74-28,212.71

Finding the Fourth Proportional to 50,875.49, 70,205.74 and 28,212.71

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Solution

The fourth proportional to 50,875.49, 70,205.74 and 28,212.71 is: 38,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,875.49 : 70,205.74 = 28,212.71 : x
  2. Step 2: Convert to fraction form
    50,875.49/70,205.74 = 28,212.71/x
  3. Step 3: Cross multiply
    50,875.49x = 70,205.74 × 28,212.71
  4. Step 4: Simplify right side
    50,875.49x = 1,980,693,761.39
  5. Step 5: Solve for x
    x = 1,980,693,761.39/50,875.49
  6. Step 6: Final answer
    x = 38,932.18

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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.