Home / 30,240.64-45,365.67-15,441.55

Finding the Fourth Proportional to 30,240.64, 45,365.67 and 15,441.55

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Solution

The fourth proportional to 30,240.64, 45,365.67 and 15,441.55 is: 23,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.64 : 45,365.67 = 15,441.55 : x
  2. Step 2: Convert to fraction form
    30,240.64/45,365.67 = 15,441.55/x
  3. Step 3: Cross multiply
    30,240.64x = 45,365.67 × 15,441.55
  4. Step 4: Simplify right side
    30,240.64x = 700,516,261.59
  5. Step 5: Solve for x
    x = 700,516,261.59/30,240.64
  6. Step 6: Final answer
    x = 23,164.73

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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.