Home / 30,134.40-41,581.63-16,705.53

Finding the Fourth Proportional to 30,134.40, 41,581.63 and 16,705.53

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Solution

The fourth proportional to 30,134.40, 41,581.63 and 16,705.53 is: 23,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,134.40 : 41,581.63 = 16,705.53 : x
  2. Step 2: Convert to fraction form
    30,134.40/41,581.63 = 16,705.53/x
  3. Step 3: Cross multiply
    30,134.40x = 41,581.63 × 16,705.53
  4. Step 4: Simplify right side
    30,134.40x = 694,643,167.41
  5. Step 5: Solve for x
    x = 694,643,167.41/30,134.40
  6. Step 6: Final answer
    x = 23,051.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.