Home / 56,977.05-78,628.49-31,484.13

Finding the Fourth Proportional to 56,977.05, 78,628.49 and 31,484.13

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Solution

The fourth proportional to 56,977.05, 78,628.49 and 31,484.13 is: 43,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,977.05 : 78,628.49 = 31,484.13 : x
  2. Step 2: Convert to fraction form
    56,977.05/78,628.49 = 31,484.13/x
  3. Step 3: Cross multiply
    56,977.05x = 78,628.49 × 31,484.13
  4. Step 4: Simplify right side
    56,977.05x = 2,475,549,443.44
  5. Step 5: Solve for x
    x = 2,475,549,443.44/56,977.05
  6. Step 6: Final answer
    x = 43,448.19

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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.