Home / 40,879.13-56,417.86-22,731.65

Finding the Fourth Proportional to 40,879.13, 56,417.86 and 22,731.65

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Solution

The fourth proportional to 40,879.13, 56,417.86 and 22,731.65 is: 31,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879.13 : 56,417.86 = 22,731.65 : x
  2. Step 2: Convert to fraction form
    40,879.13/56,417.86 = 22,731.65/x
  3. Step 3: Cross multiply
    40,879.13x = 56,417.86 × 22,731.65
  4. Step 4: Simplify right side
    40,879.13x = 1,282,471,322.51
  5. Step 5: Solve for x
    x = 1,282,471,322.51/40,879.13
  6. Step 6: Final answer
    x = 31,372.28

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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.