Home / 32,511.40-48,783.30-18,482.20

Finding the Fourth Proportional to 32,511.40, 48,783.30 and 18,482.20

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Solution

The fourth proportional to 32,511.40, 48,783.30 and 18,482.20 is: 27,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,511.40 : 48,783.30 = 18,482.20 : x
  2. Step 2: Convert to fraction form
    32,511.40/48,783.30 = 18,482.20/x
  3. Step 3: Cross multiply
    32,511.40x = 48,783.30 × 18,482.20
  4. Step 4: Simplify right side
    32,511.40x = 901,622,707.26
  5. Step 5: Solve for x
    x = 901,622,707.26/32,511.40
  6. Step 6: Final answer
    x = 27,732.51

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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.