Home / 56,825.24-78,419.24-31,332.56

Finding the Fourth Proportional to 56,825.24, 78,419.24 and 31,332.56

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Solution

The fourth proportional to 56,825.24, 78,419.24 and 31,332.56 is: 43,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,825.24 : 78,419.24 = 31,332.56 : x
  2. Step 2: Convert to fraction form
    56,825.24/78,419.24 = 31,332.56/x
  3. Step 3: Cross multiply
    56,825.24x = 78,419.24 × 31,332.56
  4. Step 4: Simplify right side
    56,825.24x = 2,457,075,542.45
  5. Step 5: Solve for x
    x = 2,457,075,542.45/56,825.24
  6. Step 6: Final answer
    x = 43,239.16

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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.