Home / 32,619.40-48,929.10-11,840.20

Finding the Fourth Proportional to 32,619.40, 48,929.10 and 11,840.20

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Solution

The fourth proportional to 32,619.40, 48,929.10 and 11,840.20 is: 17,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.40 : 48,929.10 = 11,840.20 : x
  2. Step 2: Convert to fraction form
    32,619.40/48,929.10 = 11,840.20/x
  3. Step 3: Cross multiply
    32,619.40x = 48,929.10 × 11,840.20
  4. Step 4: Simplify right side
    32,619.40x = 579,330,329.82
  5. Step 5: Solve for x
    x = 579,330,329.82/32,619.40
  6. Step 6: Final answer
    x = 17,760.30

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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.