Home / 40,739.64-56,161.83-28,603.17

Finding the Fourth Proportional to 40,739.64, 56,161.83 and 28,603.17

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Solution

The fourth proportional to 40,739.64, 56,161.83 and 28,603.17 is: 39,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,739.64 : 56,161.83 = 28,603.17 : x
  2. Step 2: Convert to fraction form
    40,739.64/56,161.83 = 28,603.17/x
  3. Step 3: Cross multiply
    40,739.64x = 56,161.83 × 28,603.17
  4. Step 4: Simplify right side
    40,739.64x = 1,606,406,371.00
  5. Step 5: Solve for x
    x = 1,606,406,371.00/40,739.64
  6. Step 6: Final answer
    x = 39,431.04

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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.