Home / 30,352.10-45,528.15-17,230.10

Finding the Fourth Proportional to 30,352.10, 45,528.15 and 17,230.10

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Solution

The fourth proportional to 30,352.10, 45,528.15 and 17,230.10 is: 25,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.10 : 45,528.15 = 17,230.10 : x
  2. Step 2: Convert to fraction form
    30,352.10/45,528.15 = 17,230.10/x
  3. Step 3: Cross multiply
    30,352.10x = 45,528.15 × 17,230.10
  4. Step 4: Simplify right side
    30,352.10x = 784,454,577.32
  5. Step 5: Solve for x
    x = 784,454,577.32/30,352.10
  6. Step 6: Final answer
    x = 25,845.15

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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.