Home / 56,155.52-77,494.64-31,005.04

Finding the Fourth Proportional to 56,155.52, 77,494.64 and 31,005.04

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Solution

The fourth proportional to 56,155.52, 77,494.64 and 31,005.04 is: 42,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,155.52 : 77,494.64 = 31,005.04 : x
  2. Step 2: Convert to fraction form
    56,155.52/77,494.64 = 31,005.04/x
  3. Step 3: Cross multiply
    56,155.52x = 77,494.64 × 31,005.04
  4. Step 4: Simplify right side
    56,155.52x = 2,402,724,412.99
  5. Step 5: Solve for x
    x = 2,402,724,412.99/56,155.52
  6. Step 6: Final answer
    x = 42,786.97

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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.