Home / 56,873.24-78,489.53-31,384.67

Finding the Fourth Proportional to 56,873.24, 78,489.53 and 31,384.67

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Solution

The fourth proportional to 56,873.24, 78,489.53 and 31,384.67 is: 43,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,873.24 : 78,489.53 = 31,384.67 : x
  2. Step 2: Convert to fraction form
    56,873.24/78,489.53 = 31,384.67/x
  3. Step 3: Cross multiply
    56,873.24x = 78,489.53 × 31,384.67
  4. Step 4: Simplify right side
    56,873.24x = 2,463,367,448.13
  5. Step 5: Solve for x
    x = 2,463,367,448.13/56,873.24
  6. Step 6: Final answer
    x = 43,313.30

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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.