Home / 30,323.07-45,493.77-15,542.46

Finding the Fourth Proportional to 30,323.07, 45,493.77 and 15,542.46

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Solution

The fourth proportional to 30,323.07, 45,493.77 and 15,542.46 is: 23,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.07 : 45,493.77 = 15,542.46 : x
  2. Step 2: Convert to fraction form
    30,323.07/45,493.77 = 15,542.46/x
  3. Step 3: Cross multiply
    30,323.07x = 45,493.77 × 15,542.46
  4. Step 4: Simplify right side
    30,323.07x = 707,085,100.47
  5. Step 5: Solve for x
    x = 707,085,100.47/30,323.07
  6. Step 6: Final answer
    x = 23,318.39

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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.