Home / 30,173.06-45,248.78-10,446.32

Finding the Fourth Proportional to 30,173.06, 45,248.78 and 10,446.32

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Solution

The fourth proportional to 30,173.06, 45,248.78 and 10,446.32 is: 15,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.06 : 45,248.78 = 10,446.32 : x
  2. Step 2: Convert to fraction form
    30,173.06/45,248.78 = 10,446.32/x
  3. Step 3: Cross multiply
    30,173.06x = 45,248.78 × 10,446.32
  4. Step 4: Simplify right side
    30,173.06x = 472,683,235.49
  5. Step 5: Solve for x
    x = 472,683,235.49/30,173.06
  6. Step 6: Final answer
    x = 15,665.74

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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.