Home / 61,944.24-85,518.50-40,785

Finding the Fourth Proportional to 61,944.24, 85,518.50 and 40,785

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Solution

The fourth proportional to 61,944.24, 85,518.50 and 40,785 is: 56,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,944.24 : 85,518.50 = 40,785 : x
  2. Step 2: Convert to fraction form
    61,944.24/85,518.50 = 40,785/x
  3. Step 3: Cross multiply
    61,944.24x = 85,518.50 × 40,785
  4. Step 4: Simplify right side
    61,944.24x = 3,487,872,022.50
  5. Step 5: Solve for x
    x = 3,487,872,022.50/61,944.24
  6. Step 6: Final answer
    x = 56,306.64

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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.