Home / 39,887.77-55,035.46-22,656.30

Finding the Fourth Proportional to 39,887.77, 55,035.46 and 22,656.30

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Solution

The fourth proportional to 39,887.77, 55,035.46 and 22,656.30 is: 31,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887.77 : 55,035.46 = 22,656.30 : x
  2. Step 2: Convert to fraction form
    39,887.77/55,035.46 = 22,656.30/x
  3. Step 3: Cross multiply
    39,887.77x = 55,035.46 × 22,656.30
  4. Step 4: Simplify right side
    39,887.77x = 1,246,899,779.12
  5. Step 5: Solve for x
    x = 1,246,899,779.12/39,887.77
  6. Step 6: Final answer
    x = 31,260.20

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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.