Home / 50,808.07-70,115.11-28,148.53

Finding the Fourth Proportional to 50,808.07, 70,115.11 and 28,148.53

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Solution

The fourth proportional to 50,808.07, 70,115.11 and 28,148.53 is: 38,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,808.07 : 70,115.11 = 28,148.53 : x
  2. Step 2: Convert to fraction form
    50,808.07/70,115.11 = 28,148.53/x
  3. Step 3: Cross multiply
    50,808.07x = 70,115.11 × 28,148.53
  4. Step 4: Simplify right side
    50,808.07x = 1,973,637,277.29
  5. Step 5: Solve for x
    x = 1,973,637,277.29/50,808.07
  6. Step 6: Final answer
    x = 38,844.96

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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.