Home / 48,446.69-66,814.80-31,434.17

Finding the Fourth Proportional to 48,446.69, 66,814.80 and 31,434.17

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Solution

The fourth proportional to 48,446.69, 66,814.80 and 31,434.17 is: 43,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,446.69 : 66,814.80 = 31,434.17 : x
  2. Step 2: Convert to fraction form
    48,446.69/66,814.80 = 31,434.17/x
  3. Step 3: Cross multiply
    48,446.69x = 66,814.80 × 31,434.17
  4. Step 4: Simplify right side
    48,446.69x = 2,100,267,781.72
  5. Step 5: Solve for x
    x = 2,100,267,781.72/48,446.69
  6. Step 6: Final answer
    x = 43,352.14

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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.