Home / 56,482.32-77,945.64-31,331.82

Finding the Fourth Proportional to 56,482.32, 77,945.64 and 31,331.82

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Solution

The fourth proportional to 56,482.32, 77,945.64 and 31,331.82 is: 43,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.32 : 77,945.64 = 31,331.82 : x
  2. Step 2: Convert to fraction form
    56,482.32/77,945.64 = 31,331.82/x
  3. Step 3: Cross multiply
    56,482.32x = 77,945.64 × 31,331.82
  4. Step 4: Simplify right side
    56,482.32x = 2,442,178,762.26
  5. Step 5: Solve for x
    x = 2,442,178,762.26/56,482.32
  6. Step 6: Final answer
    x = 43,237.93

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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.