Home / 59,015.12-81,438.96-35,136.32

Finding the Fourth Proportional to 59,015.12, 81,438.96 and 35,136.32

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Solution

The fourth proportional to 59,015.12, 81,438.96 and 35,136.32 is: 48,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,015.12 : 81,438.96 = 35,136.32 : x
  2. Step 2: Convert to fraction form
    59,015.12/81,438.96 = 35,136.32/x
  3. Step 3: Cross multiply
    59,015.12x = 81,438.96 × 35,136.32
  4. Step 4: Simplify right side
    59,015.12x = 2,861,465,359.03
  5. Step 5: Solve for x
    x = 2,861,465,359.03/59,015.12
  6. Step 6: Final answer
    x = 48,486.99

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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.