Home / 56,036.60-77,330.54-31,837.60

Finding the Fourth Proportional to 56,036.60, 77,330.54 and 31,837.60

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Solution

The fourth proportional to 56,036.60, 77,330.54 and 31,837.60 is: 43,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,036.60 : 77,330.54 = 31,837.60 : x
  2. Step 2: Convert to fraction form
    56,036.60/77,330.54 = 31,837.60/x
  3. Step 3: Cross multiply
    56,036.60x = 77,330.54 × 31,837.60
  4. Step 4: Simplify right side
    56,036.60x = 2,462,018,800.30
  5. Step 5: Solve for x
    x = 2,462,018,800.30/56,036.60
  6. Step 6: Final answer
    x = 43,935.91

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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.