Home / 56,426.06-77,903.40-36,317.90

Finding the Fourth Proportional to 56,426.06, 77,903.40 and 36,317.90

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Solution

The fourth proportional to 56,426.06, 77,903.40 and 36,317.90 is: 50,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,426.06 : 77,903.40 = 36,317.90 : x
  2. Step 2: Convert to fraction form
    56,426.06/77,903.40 = 36,317.90/x
  3. Step 3: Cross multiply
    56,426.06x = 77,903.40 × 36,317.90
  4. Step 4: Simplify right side
    56,426.06x = 2,829,287,890.86
  5. Step 5: Solve for x
    x = 2,829,287,890.86/56,426.06
  6. Step 6: Final answer
    x = 50,141.51

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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.