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Finding the Fourth Proportional to 37,426, 51,647.88 and 20,660.08

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Solution

The fourth proportional to 37,426, 51,647.88 and 20,660.08 is: 28,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,426 : 51,647.88 = 20,660.08 : x
  2. Step 2: Convert to fraction form
    37,426/51,647.88 = 20,660.08/x
  3. Step 3: Cross multiply
    37,426x = 51,647.88 × 20,660.08
  4. Step 4: Simplify right side
    37,426x = 1,067,049,332.63
  5. Step 5: Solve for x
    x = 1,067,049,332.63/37,426
  6. Step 6: Final answer
    x = 28,510.91

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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.