Home / 56,287.86-77,643.40-37,167.81

Finding the Fourth Proportional to 56,287.86, 77,643.40 and 37,167.81

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Solution

The fourth proportional to 56,287.86, 77,643.40 and 37,167.81 is: 51,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,287.86 : 77,643.40 = 37,167.81 : x
  2. Step 2: Convert to fraction form
    56,287.86/77,643.40 = 37,167.81/x
  3. Step 3: Cross multiply
    56,287.86x = 77,643.40 × 37,167.81
  4. Step 4: Simplify right side
    56,287.86x = 2,885,835,138.95
  5. Step 5: Solve for x
    x = 2,885,835,138.95/56,287.86
  6. Step 6: Final answer
    x = 51,269.23

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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.