Home / 32,485.12-48,742.56-17,671.84

Finding the Fourth Proportional to 32,485.12, 48,742.56 and 17,671.84

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Solution

The fourth proportional to 32,485.12, 48,742.56 and 17,671.84 is: 26,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.12 : 48,742.56 = 17,671.84 : x
  2. Step 2: Convert to fraction form
    32,485.12/48,742.56 = 17,671.84/x
  3. Step 3: Cross multiply
    32,485.12x = 48,742.56 × 17,671.84
  4. Step 4: Simplify right side
    32,485.12x = 861,370,721.51
  5. Step 5: Solve for x
    x = 861,370,721.51/32,485.12
  6. Step 6: Final answer
    x = 26,515.85

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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.