Home / 50,947.89-70,308.91-28,288.34

Finding the Fourth Proportional to 50,947.89, 70,308.91 and 28,288.34

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Solution

The fourth proportional to 50,947.89, 70,308.91 and 28,288.34 is: 39,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,947.89 : 70,308.91 = 28,288.34 : x
  2. Step 2: Convert to fraction form
    50,947.89/70,308.91 = 28,288.34/x
  3. Step 3: Cross multiply
    50,947.89x = 70,308.91 × 28,288.34
  4. Step 4: Simplify right side
    50,947.89x = 1,988,922,298.58
  5. Step 5: Solve for x
    x = 1,988,922,298.58/50,947.89
  6. Step 6: Final answer
    x = 39,038.37

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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.