Home / 56,913.39-78,544.85-31,424.67

Finding the Fourth Proportional to 56,913.39, 78,544.85 and 31,424.67

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Solution

The fourth proportional to 56,913.39, 78,544.85 and 31,424.67 is: 43,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.39 : 78,544.85 = 31,424.67 : x
  2. Step 2: Convert to fraction form
    56,913.39/78,544.85 = 31,424.67/x
  3. Step 3: Cross multiply
    56,913.39x = 78,544.85 × 31,424.67
  4. Step 4: Simplify right side
    56,913.39x = 2,468,245,834.33
  5. Step 5: Solve for x
    x = 2,468,245,834.33/56,913.39
  6. Step 6: Final answer
    x = 43,368.46

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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.