Home / 30,113.10-45,177.87-10,394.56

Finding the Fourth Proportional to 30,113.10, 45,177.87 and 10,394.56

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Solution

The fourth proportional to 30,113.10, 45,177.87 and 10,394.56 is: 15,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.10 : 45,177.87 = 10,394.56 : x
  2. Step 2: Convert to fraction form
    30,113.10/45,177.87 = 10,394.56/x
  3. Step 3: Cross multiply
    30,113.10x = 45,177.87 × 10,394.56
  4. Step 4: Simplify right side
    30,113.10x = 469,604,117.37
  5. Step 5: Solve for x
    x = 469,604,117.37/30,113.10
  6. Step 6: Final answer
    x = 15,594.68

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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.