Home / 30,273.18-45,407.93-14,489.43

Finding the Fourth Proportional to 30,273.18, 45,407.93 and 14,489.43

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Solution

The fourth proportional to 30,273.18, 45,407.93 and 14,489.43 is: 21,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.18 : 45,407.93 = 14,489.43 : x
  2. Step 2: Convert to fraction form
    30,273.18/45,407.93 = 14,489.43/x
  3. Step 3: Cross multiply
    30,273.18x = 45,407.93 × 14,489.43
  4. Step 4: Simplify right side
    30,273.18x = 657,934,950.73
  5. Step 5: Solve for x
    x = 657,934,950.73/30,273.18
  6. Step 6: Final answer
    x = 21,733.26

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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.