Home / 40,782.72-56,279.81-22,877.34

Finding the Fourth Proportional to 40,782.72, 56,279.81 and 22,877.34

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Solution

The fourth proportional to 40,782.72, 56,279.81 and 22,877.34 is: 31,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.72 : 56,279.81 = 22,877.34 : x
  2. Step 2: Convert to fraction form
    40,782.72/56,279.81 = 22,877.34/x
  3. Step 3: Cross multiply
    40,782.72x = 56,279.81 × 22,877.34
  4. Step 4: Simplify right side
    40,782.72x = 1,287,532,194.65
  5. Step 5: Solve for x
    x = 1,287,532,194.65/40,782.72
  6. Step 6: Final answer
    x = 31,570.53

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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.