Home / 30,113.88-45,139.14-14,498.52

Finding the Fourth Proportional to 30,113.88, 45,139.14 and 14,498.52

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Solution

The fourth proportional to 30,113.88, 45,139.14 and 14,498.52 is: 21,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.88 : 45,139.14 = 14,498.52 : x
  2. Step 2: Convert to fraction form
    30,113.88/45,139.14 = 14,498.52/x
  3. Step 3: Cross multiply
    30,113.88x = 45,139.14 × 14,498.52
  4. Step 4: Simplify right side
    30,113.88x = 654,450,724.07
  5. Step 5: Solve for x
    x = 654,450,724.07/30,113.88
  6. Step 6: Final answer
    x = 21,732.53

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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.