Home / 55,792.06-76,993.04-30,641.56

Finding the Fourth Proportional to 55,792.06, 76,993.04 and 30,641.56

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Solution

The fourth proportional to 55,792.06, 76,993.04 and 30,641.56 is: 42,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,792.06 : 76,993.04 = 30,641.56 : x
  2. Step 2: Convert to fraction form
    55,792.06/76,993.04 = 30,641.56/x
  3. Step 3: Cross multiply
    55,792.06x = 76,993.04 × 30,641.56
  4. Step 4: Simplify right side
    55,792.06x = 2,359,186,854.74
  5. Step 5: Solve for x
    x = 2,359,186,854.74/55,792.06
  6. Step 6: Final answer
    x = 42,285.35

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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.