Home / 30,111.41-45,175.34-10,392.87

Finding the Fourth Proportional to 30,111.41, 45,175.34 and 10,392.87

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Solution

The fourth proportional to 30,111.41, 45,175.34 and 10,392.87 is: 15,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.41 : 45,175.34 = 10,392.87 : x
  2. Step 2: Convert to fraction form
    30,111.41/45,175.34 = 10,392.87/x
  3. Step 3: Cross multiply
    30,111.41x = 45,175.34 × 10,392.87
  4. Step 4: Simplify right side
    30,111.41x = 469,501,572.76
  5. Step 5: Solve for x
    x = 469,501,572.76/30,111.41
  6. Step 6: Final answer
    x = 15,592.15

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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.