Home / 56,762.13-78,330.81-31,270.92

Finding the Fourth Proportional to 56,762.13, 78,330.81 and 31,270.92

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Solution

The fourth proportional to 56,762.13, 78,330.81 and 31,270.92 is: 43,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.13 : 78,330.81 = 31,270.92 : x
  2. Step 2: Convert to fraction form
    56,762.13/78,330.81 = 31,270.92/x
  3. Step 3: Cross multiply
    56,762.13x = 78,330.81 × 31,270.92
  4. Step 4: Simplify right side
    56,762.13x = 2,449,476,493.05
  5. Step 5: Solve for x
    x = 2,449,476,493.05/56,762.13
  6. Step 6: Final answer
    x = 43,153.36

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1.5x scale

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.