Home / 32,983.04-45,525.12-20,240.48

Finding the Fourth Proportional to 32,983.04, 45,525.12 and 20,240.48

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Solution

The fourth proportional to 32,983.04, 45,525.12 and 20,240.48 is: 27,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,983.04 : 45,525.12 = 20,240.48 : x
  2. Step 2: Convert to fraction form
    32,983.04/45,525.12 = 20,240.48/x
  3. Step 3: Cross multiply
    32,983.04x = 45,525.12 × 20,240.48
  4. Step 4: Simplify right side
    32,983.04x = 921,450,280.86
  5. Step 5: Solve for x
    x = 921,450,280.86/32,983.04
  6. Step 6: Final answer
    x = 27,937.09

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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.