Home / 56,270.58-77,650.51-30,771.99

Finding the Fourth Proportional to 56,270.58, 77,650.51 and 30,771.99

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Solution

The fourth proportional to 56,270.58, 77,650.51 and 30,771.99 is: 42,463.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,270.58 : 77,650.51 = 30,771.99 : x
  2. Step 2: Convert to fraction form
    56,270.58/77,650.51 = 30,771.99/x
  3. Step 3: Cross multiply
    56,270.58x = 77,650.51 × 30,771.99
  4. Step 4: Simplify right side
    56,270.58x = 2,389,460,717.21
  5. Step 5: Solve for x
    x = 2,389,460,717.21/56,270.58
  6. Step 6: Final answer
    x = 42,463.77

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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.