Home / 37,921.68-52,332.08-20,926.16

Finding the Fourth Proportional to 37,921.68, 52,332.08 and 20,926.16

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Solution

The fourth proportional to 37,921.68, 52,332.08 and 20,926.16 is: 28,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921.68 : 52,332.08 = 20,926.16 : x
  2. Step 2: Convert to fraction form
    37,921.68/52,332.08 = 20,926.16/x
  3. Step 3: Cross multiply
    37,921.68x = 52,332.08 × 20,926.16
  4. Step 4: Simplify right side
    37,921.68x = 1,095,109,479.21
  5. Step 5: Solve for x
    x = 1,095,109,479.21/37,921.68
  6. Step 6: Final answer
    x = 28,878.19

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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.