Home / 37,983.70-52,417.61-20,988.42

Finding the Fourth Proportional to 37,983.70, 52,417.61 and 20,988.42

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Solution

The fourth proportional to 37,983.70, 52,417.61 and 20,988.42 is: 28,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,983.70 : 52,417.61 = 20,988.42 : x
  2. Step 2: Convert to fraction form
    37,983.70/52,417.61 = 20,988.42/x
  3. Step 3: Cross multiply
    37,983.70x = 52,417.61 × 20,988.42
  4. Step 4: Simplify right side
    37,983.70x = 1,100,162,814.08
  5. Step 5: Solve for x
    x = 1,100,162,814.08/37,983.70
  6. Step 6: Final answer
    x = 28,964.08

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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.