Home / 56,044.75-77,341.76-30,894.79

Finding the Fourth Proportional to 56,044.75, 77,341.76 and 30,894.79

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Solution

The fourth proportional to 56,044.75, 77,341.76 and 30,894.79 is: 42,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,044.75 : 77,341.76 = 30,894.79 : x
  2. Step 2: Convert to fraction form
    56,044.75/77,341.76 = 30,894.79/x
  3. Step 3: Cross multiply
    56,044.75x = 77,341.76 × 30,894.79
  4. Step 4: Simplify right side
    56,044.75x = 2,389,457,433.43
  5. Step 5: Solve for x
    x = 2,389,457,433.43/56,044.75
  6. Step 6: Final answer
    x = 42,634.81

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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.