Home / 33,088.10-45,643.08-20,332.42

Finding the Fourth Proportional to 33,088.10, 45,643.08 and 20,332.42

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Solution

The fourth proportional to 33,088.10, 45,643.08 and 20,332.42 is: 28,047.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.10 : 45,643.08 = 20,332.42 : x
  2. Step 2: Convert to fraction form
    33,088.10/45,643.08 = 20,332.42/x
  3. Step 3: Cross multiply
    33,088.10x = 45,643.08 × 20,332.42
  4. Step 4: Simplify right side
    33,088.10x = 928,034,272.65
  5. Step 5: Solve for x
    x = 928,034,272.65/33,088.10
  6. Step 6: Final answer
    x = 28,047.37

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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.