Home / 32,720.64-45,175.36-20,152.64

Finding the Fourth Proportional to 32,720.64, 45,175.36 and 20,152.64

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Solution

The fourth proportional to 32,720.64, 45,175.36 and 20,152.64 is: 27,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720.64 : 45,175.36 = 20,152.64 : x
  2. Step 2: Convert to fraction form
    32,720.64/45,175.36 = 20,152.64/x
  3. Step 3: Cross multiply
    32,720.64x = 45,175.36 × 20,152.64
  4. Step 4: Simplify right side
    32,720.64x = 910,402,766.95
  5. Step 5: Solve for x
    x = 910,402,766.95/32,720.64
  6. Step 6: Final answer
    x = 27,823.50

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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.