Home / 30,159.24-45,255.60-15,370.80

Finding the Fourth Proportional to 30,159.24, 45,255.60 and 15,370.80

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Solution

The fourth proportional to 30,159.24, 45,255.60 and 15,370.80 is: 23,064.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.24 : 45,255.60 = 15,370.80 : x
  2. Step 2: Convert to fraction form
    30,159.24/45,255.60 = 15,370.80/x
  3. Step 3: Cross multiply
    30,159.24x = 45,255.60 × 15,370.80
  4. Step 4: Simplify right side
    30,159.24x = 695,614,776.48
  5. Step 5: Solve for x
    x = 695,614,776.48/30,159.24
  6. Step 6: Final answer
    x = 23,064.73

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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.