Home / 32,725.61-45,160.10-20,000.07

Finding the Fourth Proportional to 32,725.61, 45,160.10 and 20,000.07

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Solution

The fourth proportional to 32,725.61, 45,160.10 and 20,000.07 is: 27,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.61 : 45,160.10 = 20,000.07 : x
  2. Step 2: Convert to fraction form
    32,725.61/45,160.10 = 20,000.07/x
  3. Step 3: Cross multiply
    32,725.61x = 45,160.10 × 20,000.07
  4. Step 4: Simplify right side
    32,725.61x = 903,205,061.21
  5. Step 5: Solve for x
    x = 903,205,061.21/32,725.61
  6. Step 6: Final answer
    x = 27,599.34

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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.