Home / 56,496.09-77,964.38-31,002.87

Finding the Fourth Proportional to 56,496.09, 77,964.38 and 31,002.87

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Solution

The fourth proportional to 56,496.09, 77,964.38 and 31,002.87 is: 42,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496.09 : 77,964.38 = 31,002.87 : x
  2. Step 2: Convert to fraction form
    56,496.09/77,964.38 = 31,002.87/x
  3. Step 3: Cross multiply
    56,496.09x = 77,964.38 × 31,002.87
  4. Step 4: Simplify right side
    56,496.09x = 2,417,119,537.77
  5. Step 5: Solve for x
    x = 2,417,119,537.77/56,496.09
  6. Step 6: Final answer
    x = 42,783.84

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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.