Home / 30,124.98-45,192.60-10,398.92

Finding the Fourth Proportional to 30,124.98, 45,192.60 and 10,398.92

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Solution

The fourth proportional to 30,124.98, 45,192.60 and 10,398.92 is: 15,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.98 : 45,192.60 = 10,398.92 : x
  2. Step 2: Convert to fraction form
    30,124.98/45,192.60 = 10,398.92/x
  3. Step 3: Cross multiply
    30,124.98x = 45,192.60 × 10,398.92
  4. Step 4: Simplify right side
    30,124.98x = 469,954,006.03
  5. Step 5: Solve for x
    x = 469,954,006.03/30,124.98
  6. Step 6: Final answer
    x = 15,600.14

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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.