Home / 72,026.23-99,384.31-40,195.05

Finding the Fourth Proportional to 72,026.23, 99,384.31 and 40,195.05

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Solution

The fourth proportional to 72,026.23, 99,384.31 and 40,195.05 is: 55,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026.23 : 99,384.31 = 40,195.05 : x
  2. Step 2: Convert to fraction form
    72,026.23/99,384.31 = 40,195.05/x
  3. Step 3: Cross multiply
    72,026.23x = 99,384.31 × 40,195.05
  4. Step 4: Simplify right side
    72,026.23x = 3,994,757,309.67
  5. Step 5: Solve for x
    x = 3,994,757,309.67/72,026.23
  6. Step 6: Final answer
    x = 55,462.54

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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.