Home / 30,349.13-45,531.79-9,572.63

Finding the Fourth Proportional to 30,349.13, 45,531.79 and 9,572.63

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Solution

The fourth proportional to 30,349.13, 45,531.79 and 9,572.63 is: 14,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.13 : 45,531.79 = 9,572.63 : x
  2. Step 2: Convert to fraction form
    30,349.13/45,531.79 = 9,572.63/x
  3. Step 3: Cross multiply
    30,349.13x = 45,531.79 × 9,572.63
  4. Step 4: Simplify right side
    30,349.13x = 435,858,727.32
  5. Step 5: Solve for x
    x = 435,858,727.32/30,349.13
  6. Step 6: Final answer
    x = 14,361.49

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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.