Home / 55,237.96-76,225.46-31,364.04

Finding the Fourth Proportional to 55,237.96, 76,225.46 and 31,364.04

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Solution

The fourth proportional to 55,237.96, 76,225.46 and 31,364.04 is: 43,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,237.96 : 76,225.46 = 31,364.04 : x
  2. Step 2: Convert to fraction form
    55,237.96/76,225.46 = 31,364.04/x
  3. Step 3: Cross multiply
    55,237.96x = 76,225.46 × 31,364.04
  4. Step 4: Simplify right side
    55,237.96x = 2,390,738,376.46
  5. Step 5: Solve for x
    x = 2,390,738,376.46/55,237.96
  6. Step 6: Final answer
    x = 43,280.71

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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.