Home / 56,213.28-77,573.28-31,062.24

Finding the Fourth Proportional to 56,213.28, 77,573.28 and 31,062.24

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Solution

The fourth proportional to 56,213.28, 77,573.28 and 31,062.24 is: 42,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,213.28 : 77,573.28 = 31,062.24 : x
  2. Step 2: Convert to fraction form
    56,213.28/77,573.28 = 31,062.24/x
  3. Step 3: Cross multiply
    56,213.28x = 77,573.28 × 31,062.24
  4. Step 4: Simplify right side
    56,213.28x = 2,409,599,840.95
  5. Step 5: Solve for x
    x = 2,409,599,840.95/56,213.28
  6. Step 6: Final answer
    x = 42,865.31

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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.