Home / 56,979.29-78,642.30-37,564.13

Finding the Fourth Proportional to 56,979.29, 78,642.30 and 37,564.13

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Solution

The fourth proportional to 56,979.29, 78,642.30 and 37,564.13 is: 51,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979.29 : 78,642.30 = 37,564.13 : x
  2. Step 2: Convert to fraction form
    56,979.29/78,642.30 = 37,564.13/x
  3. Step 3: Cross multiply
    56,979.29x = 78,642.30 × 37,564.13
  4. Step 4: Simplify right side
    56,979.29x = 2,954,129,580.70
  5. Step 5: Solve for x
    x = 2,954,129,580.70/56,979.29
  6. Step 6: Final answer
    x = 51,845.67

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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.