Home / 37,479.04-51,719.68-20,712.32

Finding the Fourth Proportional to 37,479.04, 51,719.68 and 20,712.32

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Solution

The fourth proportional to 37,479.04, 51,719.68 and 20,712.32 is: 28,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,479.04 : 51,719.68 = 20,712.32 : x
  2. Step 2: Convert to fraction form
    37,479.04/51,719.68 = 20,712.32/x
  3. Step 3: Cross multiply
    37,479.04x = 51,719.68 × 20,712.32
  4. Step 4: Simplify right side
    37,479.04x = 1,071,234,562.46
  5. Step 5: Solve for x
    x = 1,071,234,562.46/37,479.04
  6. Step 6: Final answer
    x = 28,582.23

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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.