Home / 31,129.02-46,701.64-8,944.20

Finding the Fourth Proportional to 31,129.02, 46,701.64 and 8,944.20

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Solution

The fourth proportional to 31,129.02, 46,701.64 and 8,944.20 is: 13,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,129.02 : 46,701.64 = 8,944.20 : x
  2. Step 2: Convert to fraction form
    31,129.02/46,701.64 = 8,944.20/x
  3. Step 3: Cross multiply
    31,129.02x = 46,701.64 × 8,944.20
  4. Step 4: Simplify right side
    31,129.02x = 417,708,808.49
  5. Step 5: Solve for x
    x = 417,708,808.49/31,129.02
  6. Step 6: Final answer
    x = 13,418.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.