Home / 55,018.40-82,468.72-25,401.76

Finding the Fourth Proportional to 55,018.40, 82,468.72 and 25,401.76

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Solution

The fourth proportional to 55,018.40, 82,468.72 and 25,401.76 is: 38,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,018.40 : 82,468.72 = 25,401.76 : x
  2. Step 2: Convert to fraction form
    55,018.40/82,468.72 = 25,401.76/x
  3. Step 3: Cross multiply
    55,018.40x = 82,468.72 × 25,401.76
  4. Step 4: Simplify right side
    55,018.40x = 2,094,850,632.95
  5. Step 5: Solve for x
    x = 2,094,850,632.95/55,018.40
  6. Step 6: Final answer
    x = 38,075.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.