Home / 56,314.14-77,715.93-31,163.64

Finding the Fourth Proportional to 56,314.14, 77,715.93 and 31,163.64

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Solution

The fourth proportional to 56,314.14, 77,715.93 and 31,163.64 is: 43,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,314.14 : 77,715.93 = 31,163.64 : x
  2. Step 2: Convert to fraction form
    56,314.14/77,715.93 = 31,163.64/x
  3. Step 3: Cross multiply
    56,314.14x = 77,715.93 × 31,163.64
  4. Step 4: Simplify right side
    56,314.14x = 2,421,911,264.79
  5. Step 5: Solve for x
    x = 2,421,911,264.79/56,314.14
  6. Step 6: Final answer
    x = 43,007.16

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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.