Home / 55,866.34-77,096.91-30,715.84

Finding the Fourth Proportional to 55,866.34, 77,096.91 and 30,715.84

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Solution

The fourth proportional to 55,866.34, 77,096.91 and 30,715.84 is: 42,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.34 : 77,096.91 = 30,715.84 : x
  2. Step 2: Convert to fraction form
    55,866.34/77,096.91 = 30,715.84/x
  3. Step 3: Cross multiply
    55,866.34x = 77,096.91 × 30,715.84
  4. Step 4: Simplify right side
    55,866.34x = 2,368,096,352.05
  5. Step 5: Solve for x
    x = 2,368,096,352.05/55,866.34
  6. Step 6: Final answer
    x = 42,388.61

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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.