Home / 32,746.32-45,187.56-20,171.28

Finding the Fourth Proportional to 32,746.32, 45,187.56 and 20,171.28

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Solution

The fourth proportional to 32,746.32, 45,187.56 and 20,171.28 is: 27,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,746.32 : 45,187.56 = 20,171.28 : x
  2. Step 2: Convert to fraction form
    32,746.32/45,187.56 = 20,171.28/x
  3. Step 3: Cross multiply
    32,746.32x = 45,187.56 × 20,171.28
  4. Step 4: Simplify right side
    32,746.32x = 911,490,925.28
  5. Step 5: Solve for x
    x = 911,490,925.28/32,746.32
  6. Step 6: Final answer
    x = 27,834.91

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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.