Home / 56,424.07-77,900.64-36,315.89

Finding the Fourth Proportional to 56,424.07, 77,900.64 and 36,315.89

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Solution

The fourth proportional to 56,424.07, 77,900.64 and 36,315.89 is: 50,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.07 : 77,900.64 = 36,315.89 : x
  2. Step 2: Convert to fraction form
    56,424.07/77,900.64 = 36,315.89/x
  3. Step 3: Cross multiply
    56,424.07x = 77,900.64 × 36,315.89
  4. Step 4: Simplify right side
    56,424.07x = 2,829,031,277.80
  5. Step 5: Solve for x
    x = 2,829,031,277.80/56,424.07
  6. Step 6: Final answer
    x = 50,138.73

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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.