Home / 50,828.29-70,145.74-28,169.76

Finding the Fourth Proportional to 50,828.29, 70,145.74 and 28,169.76

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Solution

The fourth proportional to 50,828.29, 70,145.74 and 28,169.76 is: 38,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,828.29 : 70,145.74 = 28,169.76 : x
  2. Step 2: Convert to fraction form
    50,828.29/70,145.74 = 28,169.76/x
  3. Step 3: Cross multiply
    50,828.29x = 70,145.74 × 28,169.76
  4. Step 4: Simplify right side
    50,828.29x = 1,975,988,660.82
  5. Step 5: Solve for x
    x = 1,975,988,660.82/50,828.29
  6. Step 6: Final answer
    x = 38,875.77

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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.