Home / 32,619.74-45,015.12-18,473.90

Finding the Fourth Proportional to 32,619.74, 45,015.12 and 18,473.90

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Solution

The fourth proportional to 32,619.74, 45,015.12 and 18,473.90 is: 25,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.74 : 45,015.12 = 18,473.90 : x
  2. Step 2: Convert to fraction form
    32,619.74/45,015.12 = 18,473.90/x
  3. Step 3: Cross multiply
    32,619.74x = 45,015.12 × 18,473.90
  4. Step 4: Simplify right side
    32,619.74x = 831,604,825.37
  5. Step 5: Solve for x
    x = 831,604,825.37/32,619.74
  6. Step 6: Final answer
    x = 25,493.91

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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.