Home / 30,219.17-45,333.61-12,694.01

Finding the Fourth Proportional to 30,219.17, 45,333.61 and 12,694.01

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Solution

The fourth proportional to 30,219.17, 45,333.61 and 12,694.01 is: 19,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.17 : 45,333.61 = 12,694.01 : x
  2. Step 2: Convert to fraction form
    30,219.17/45,333.61 = 12,694.01/x
  3. Step 3: Cross multiply
    30,219.17x = 45,333.61 × 12,694.01
  4. Step 4: Simplify right side
    30,219.17x = 575,465,040.27
  5. Step 5: Solve for x
    x = 575,465,040.27/30,219.17
  6. Step 6: Final answer
    x = 19,043.05

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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.