Home / 55,880.49-77,096.20-31,678.85

Finding the Fourth Proportional to 55,880.49, 77,096.20 and 31,678.85

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Solution

The fourth proportional to 55,880.49, 77,096.20 and 31,678.85 is: 43,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,880.49 : 77,096.20 = 31,678.85 : x
  2. Step 2: Convert to fraction form
    55,880.49/77,096.20 = 31,678.85/x
  3. Step 3: Cross multiply
    55,880.49x = 77,096.20 × 31,678.85
  4. Step 4: Simplify right side
    55,880.49x = 2,442,318,955.37
  5. Step 5: Solve for x
    x = 2,442,318,955.37/55,880.49
  6. Step 6: Final answer
    x = 43,706.11

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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.