Home / 30,184.80-45,228.60-15,371.52

Finding the Fourth Proportional to 30,184.80, 45,228.60 and 15,371.52

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Solution

The fourth proportional to 30,184.80, 45,228.60 and 15,371.52 is: 23,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.80 : 45,228.60 = 15,371.52 : x
  2. Step 2: Convert to fraction form
    30,184.80/45,228.60 = 15,371.52/x
  3. Step 3: Cross multiply
    30,184.80x = 45,228.60 × 15,371.52
  4. Step 4: Simplify right side
    30,184.80x = 695,232,329.47
  5. Step 5: Solve for x
    x = 695,232,329.47/30,184.80
  6. Step 6: Final answer
    x = 23,032.53

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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.