Home / 56,943.29-78,581.34-31,451.33

Finding the Fourth Proportional to 56,943.29, 78,581.34 and 31,451.33

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Solution

The fourth proportional to 56,943.29, 78,581.34 and 31,451.33 is: 43,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943.29 : 78,581.34 = 31,451.33 : x
  2. Step 2: Convert to fraction form
    56,943.29/78,581.34 = 31,451.33/x
  3. Step 3: Cross multiply
    56,943.29x = 78,581.34 × 31,451.33
  4. Step 4: Simplify right side
    56,943.29x = 2,471,487,263.28
  5. Step 5: Solve for x
    x = 2,471,487,263.28/56,943.29
  6. Step 6: Final answer
    x = 43,402.61

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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.