Home / 30,186.80-45,231.60-15,373.52

Finding the Fourth Proportional to 30,186.80, 45,231.60 and 15,373.52

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Solution

The fourth proportional to 30,186.80, 45,231.60 and 15,373.52 is: 23,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.80 : 45,231.60 = 15,373.52 : x
  2. Step 2: Convert to fraction form
    30,186.80/45,231.60 = 15,373.52/x
  3. Step 3: Cross multiply
    30,186.80x = 45,231.60 × 15,373.52
  4. Step 4: Simplify right side
    30,186.80x = 695,368,907.23
  5. Step 5: Solve for x
    x = 695,368,907.23/30,186.80
  6. Step 6: Final answer
    x = 23,035.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.