Home / 61,790.45-85,242.26-36,288.71

Finding the Fourth Proportional to 61,790.45, 85,242.26 and 36,288.71

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Solution

The fourth proportional to 61,790.45, 85,242.26 and 36,288.71 is: 50,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,790.45 : 85,242.26 = 36,288.71 : x
  2. Step 2: Convert to fraction form
    61,790.45/85,242.26 = 36,288.71/x
  3. Step 3: Cross multiply
    61,790.45x = 85,242.26 × 36,288.71
  4. Step 4: Simplify right side
    61,790.45x = 3,093,331,045.23
  5. Step 5: Solve for x
    x = 3,093,331,045.23/61,790.45
  6. Step 6: Final answer
    x = 50,061.64

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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.