Home / 51,937.74-71,681.76-38,490.12

Finding the Fourth Proportional to 51,937.74, 71,681.76 and 38,490.12

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Solution

The fourth proportional to 51,937.74, 71,681.76 and 38,490.12 is: 53,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,937.74 : 71,681.76 = 38,490.12 : x
  2. Step 2: Convert to fraction form
    51,937.74/71,681.76 = 38,490.12/x
  3. Step 3: Cross multiply
    51,937.74x = 71,681.76 × 38,490.12
  4. Step 4: Simplify right side
    51,937.74x = 2,759,039,544.21
  5. Step 5: Solve for x
    x = 2,759,039,544.21/51,937.74
  6. Step 6: Final answer
    x = 53,122.06

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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.