Home / 37,928.08-52,337.64-21,160.72

Finding the Fourth Proportional to 37,928.08, 52,337.64 and 21,160.72

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Solution

The fourth proportional to 37,928.08, 52,337.64 and 21,160.72 is: 29,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,928.08 : 52,337.64 = 21,160.72 : x
  2. Step 2: Convert to fraction form
    37,928.08/52,337.64 = 21,160.72/x
  3. Step 3: Cross multiply
    37,928.08x = 52,337.64 × 21,160.72
  4. Step 4: Simplify right side
    37,928.08x = 1,107,502,145.50
  5. Step 5: Solve for x
    x = 1,107,502,145.50/37,928.08
  6. Step 6: Final answer
    x = 29,200.06

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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.