Home / 37,931.58-52,345.73-20,935.97

Finding the Fourth Proportional to 37,931.58, 52,345.73 and 20,935.97

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Solution

The fourth proportional to 37,931.58, 52,345.73 and 20,935.97 is: 28,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931.58 : 52,345.73 = 20,935.97 : x
  2. Step 2: Convert to fraction form
    37,931.58/52,345.73 = 20,935.97/x
  3. Step 3: Cross multiply
    37,931.58x = 52,345.73 × 20,935.97
  4. Step 4: Simplify right side
    37,931.58x = 1,095,908,590.37
  5. Step 5: Solve for x
    x = 1,095,908,590.37/37,931.58
  6. Step 6: Final answer
    x = 28,891.72

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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.