Home / 37,931.72-52,345.67-20,935.94

Finding the Fourth Proportional to 37,931.72, 52,345.67 and 20,935.94

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Solution

The fourth proportional to 37,931.72, 52,345.67 and 20,935.94 is: 28,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931.72 : 52,345.67 = 20,935.94 : x
  2. Step 2: Convert to fraction form
    37,931.72/52,345.67 = 20,935.94/x
  3. Step 3: Cross multiply
    37,931.72x = 52,345.67 × 20,935.94
  4. Step 4: Simplify right side
    37,931.72x = 1,095,905,439.97
  5. Step 5: Solve for x
    x = 1,095,905,439.97/37,931.72
  6. Step 6: Final answer
    x = 28,891.53

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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.