Home / 40,777.63-56,290.79-38,224.22

Finding the Fourth Proportional to 40,777.63, 56,290.79 and 38,224.22

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Solution

The fourth proportional to 40,777.63, 56,290.79 and 38,224.22 is: 52,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,777.63 : 56,290.79 = 38,224.22 : x
  2. Step 2: Convert to fraction form
    40,777.63/56,290.79 = 38,224.22/x
  3. Step 3: Cross multiply
    40,777.63x = 56,290.79 × 38,224.22
  4. Step 4: Simplify right side
    40,777.63x = 2,151,671,402.91
  5. Step 5: Solve for x
    x = 2,151,671,402.91/40,777.63
  6. Step 6: Final answer
    x = 52,765.97

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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.