Home / 30,420.42-45,632.45-14,628.66

Finding the Fourth Proportional to 30,420.42, 45,632.45 and 14,628.66

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Solution

The fourth proportional to 30,420.42, 45,632.45 and 14,628.66 is: 21,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420.42 : 45,632.45 = 14,628.66 : x
  2. Step 2: Convert to fraction form
    30,420.42/45,632.45 = 14,628.66/x
  3. Step 3: Cross multiply
    30,420.42x = 45,632.45 × 14,628.66
  4. Step 4: Simplify right side
    30,420.42x = 667,541,596.02
  5. Step 5: Solve for x
    x = 667,541,596.02/30,420.42
  6. Step 6: Final answer
    x = 21,943.87

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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.