Home / 30,195.57-45,280.66-11,465.28

Finding the Fourth Proportional to 30,195.57, 45,280.66 and 11,465.28

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Solution

The fourth proportional to 30,195.57, 45,280.66 and 11,465.28 is: 17,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.57 : 45,280.66 = 11,465.28 : x
  2. Step 2: Convert to fraction form
    30,195.57/45,280.66 = 11,465.28/x
  3. Step 3: Cross multiply
    30,195.57x = 45,280.66 × 11,465.28
  4. Step 4: Simplify right side
    30,195.57x = 519,155,445.48
  5. Step 5: Solve for x
    x = 519,155,445.48/30,195.57
  6. Step 6: Final answer
    x = 17,193.10

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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.