Home / 56,178.36-77,526.09-31,027.86

Finding the Fourth Proportional to 56,178.36, 77,526.09 and 31,027.86

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Solution

The fourth proportional to 56,178.36, 77,526.09 and 31,027.86 is: 42,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.36 : 77,526.09 = 31,027.86 : x
  2. Step 2: Convert to fraction form
    56,178.36/77,526.09 = 31,027.86/x
  3. Step 3: Cross multiply
    56,178.36x = 77,526.09 × 31,027.86
  4. Step 4: Simplify right side
    56,178.36x = 2,405,468,666.87
  5. Step 5: Solve for x
    x = 2,405,468,666.87/56,178.36
  6. Step 6: Final answer
    x = 42,818.42

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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.