Home / 45,278.37-62,510.67-30,192.12

Finding the Fourth Proportional to 45,278.37, 62,510.67 and 30,192.12

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Solution

The fourth proportional to 45,278.37, 62,510.67 and 30,192.12 is: 41,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,278.37 : 62,510.67 = 30,192.12 : x
  2. Step 2: Convert to fraction form
    45,278.37/62,510.67 = 30,192.12/x
  3. Step 3: Cross multiply
    45,278.37x = 62,510.67 × 30,192.12
  4. Step 4: Simplify right side
    45,278.37x = 1,887,329,649.92
  5. Step 5: Solve for x
    x = 1,887,329,649.92/45,278.37
  6. Step 6: Final answer
    x = 41,682.81

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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.