Home / 32,816.16-45,288-18,671.04

Finding the Fourth Proportional to 32,816.16, 45,288 and 18,671.04

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Solution

The fourth proportional to 32,816.16, 45,288 and 18,671.04 is: 25,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,816.16 : 45,288 = 18,671.04 : x
  2. Step 2: Convert to fraction form
    32,816.16/45,288 = 18,671.04/x
  3. Step 3: Cross multiply
    32,816.16x = 45,288 × 18,671.04
  4. Step 4: Simplify right side
    32,816.16x = 845,574,059.52
  5. Step 5: Solve for x
    x = 845,574,059.52/32,816.16
  6. Step 6: Final answer
    x = 25,767.00

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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.