Home / 30,066.28-45,060.38-12,276.11

Finding the Fourth Proportional to 30,066.28, 45,060.38 and 12,276.11

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Solution

The fourth proportional to 30,066.28, 45,060.38 and 12,276.11 is: 18,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.28 : 45,060.38 = 12,276.11 : x
  2. Step 2: Convert to fraction form
    30,066.28/45,060.38 = 12,276.11/x
  3. Step 3: Cross multiply
    30,066.28x = 45,060.38 × 12,276.11
  4. Step 4: Simplify right side
    30,066.28x = 553,166,232.79
  5. Step 5: Solve for x
    x = 553,166,232.79/30,066.28
  6. Step 6: Final answer
    x = 18,398.23

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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.