Home / 32,119.80-48,179.70-28,426.20

Finding the Fourth Proportional to 32,119.80, 48,179.70 and 28,426.20

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Solution

The fourth proportional to 32,119.80, 48,179.70 and 28,426.20 is: 42,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,119.80 : 48,179.70 = 28,426.20 : x
  2. Step 2: Convert to fraction form
    32,119.80/48,179.70 = 28,426.20/x
  3. Step 3: Cross multiply
    32,119.80x = 48,179.70 × 28,426.20
  4. Step 4: Simplify right side
    32,119.80x = 1,369,565,788.14
  5. Step 5: Solve for x
    x = 1,369,565,788.14/32,119.80
  6. Step 6: Final answer
    x = 42,639.30

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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.