Home / 56,996.73-78,653.02-31,501.77

Finding the Fourth Proportional to 56,996.73, 78,653.02 and 31,501.77

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Solution

The fourth proportional to 56,996.73, 78,653.02 and 31,501.77 is: 43,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.73 : 78,653.02 = 31,501.77 : x
  2. Step 2: Convert to fraction form
    56,996.73/78,653.02 = 31,501.77/x
  3. Step 3: Cross multiply
    56,996.73x = 78,653.02 × 31,501.77
  4. Step 4: Simplify right side
    56,996.73x = 2,477,709,345.85
  5. Step 5: Solve for x
    x = 2,477,709,345.85/56,996.73
  6. Step 6: Final answer
    x = 43,471.08

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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.