Home / 55,868.34-77,099.67-30,717.84

Finding the Fourth Proportional to 55,868.34, 77,099.67 and 30,717.84

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Solution

The fourth proportional to 55,868.34, 77,099.67 and 30,717.84 is: 42,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,868.34 : 77,099.67 = 30,717.84 : x
  2. Step 2: Convert to fraction form
    55,868.34/77,099.67 = 30,717.84/x
  3. Step 3: Cross multiply
    55,868.34x = 77,099.67 × 30,717.84
  4. Step 4: Simplify right side
    55,868.34x = 2,368,335,327.11
  5. Step 5: Solve for x
    x = 2,368,335,327.11/55,868.34
  6. Step 6: Final answer
    x = 42,391.37

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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.