Home / 56,345.94-77,761.35-31,197.06

Finding the Fourth Proportional to 56,345.94, 77,761.35 and 31,197.06

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Solution

The fourth proportional to 56,345.94, 77,761.35 and 31,197.06 is: 43,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.94 : 77,761.35 = 31,197.06 : x
  2. Step 2: Convert to fraction form
    56,345.94/77,761.35 = 31,197.06/x
  3. Step 3: Cross multiply
    56,345.94x = 77,761.35 × 31,197.06
  4. Step 4: Simplify right side
    56,345.94x = 2,425,925,501.63
  5. Step 5: Solve for x
    x = 2,425,925,501.63/56,345.94
  6. Step 6: Final answer
    x = 43,054.13

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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.