Home / 56,422.24-77,859.60-31,270.24

Finding the Fourth Proportional to 56,422.24, 77,859.60 and 31,270.24

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Solution

The fourth proportional to 56,422.24, 77,859.60 and 31,270.24 is: 43,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.24 : 77,859.60 = 31,270.24 : x
  2. Step 2: Convert to fraction form
    56,422.24/77,859.60 = 31,270.24/x
  3. Step 3: Cross multiply
    56,422.24x = 77,859.60 × 31,270.24
  4. Step 4: Simplify right side
    56,422.24x = 2,434,688,378.30
  5. Step 5: Solve for x
    x = 2,434,688,378.30/56,422.24
  6. Step 6: Final answer
    x = 43,151.22

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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.