Home / 32,639.16-45,043.50-18,300.60

Finding the Fourth Proportional to 32,639.16, 45,043.50 and 18,300.60

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Solution

The fourth proportional to 32,639.16, 45,043.50 and 18,300.60 is: 25,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.16 : 45,043.50 = 18,300.60 : x
  2. Step 2: Convert to fraction form
    32,639.16/45,043.50 = 18,300.60/x
  3. Step 3: Cross multiply
    32,639.16x = 45,043.50 × 18,300.60
  4. Step 4: Simplify right side
    32,639.16x = 824,323,076.10
  5. Step 5: Solve for x
    x = 824,323,076.10/32,639.16
  6. Step 6: Final answer
    x = 25,255.65

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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.