Home / 32,760.45-45,210.15-18,612.99

Finding the Fourth Proportional to 32,760.45, 45,210.15 and 18,612.99

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Solution

The fourth proportional to 32,760.45, 45,210.15 and 18,612.99 is: 25,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.45 : 45,210.15 = 18,612.99 : x
  2. Step 2: Convert to fraction form
    32,760.45/45,210.15 = 18,612.99/x
  3. Step 3: Cross multiply
    32,760.45x = 45,210.15 × 18,612.99
  4. Step 4: Simplify right side
    32,760.45x = 841,496,069.85
  5. Step 5: Solve for x
    x = 841,496,069.85/32,760.45
  6. Step 6: Final answer
    x = 25,686.34

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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.