Home / 55,330.92-76,356.34-31,457.61

Finding the Fourth Proportional to 55,330.92, 76,356.34 and 31,457.61

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Solution

The fourth proportional to 55,330.92, 76,356.34 and 31,457.61 is: 43,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.92 : 76,356.34 = 31,457.61 : x
  2. Step 2: Convert to fraction form
    55,330.92/76,356.34 = 31,457.61/x
  3. Step 3: Cross multiply
    55,330.92x = 76,356.34 × 31,457.61
  4. Step 4: Simplify right side
    55,330.92x = 2,401,987,886.10
  5. Step 5: Solve for x
    x = 2,401,987,886.10/55,330.92
  6. Step 6: Final answer
    x = 43,411.31

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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.