Home / 56,710.53-78,259.77-31,560.03

Finding the Fourth Proportional to 56,710.53, 78,259.77 and 31,560.03

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Solution

The fourth proportional to 56,710.53, 78,259.77 and 31,560.03 is: 43,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710.53 : 78,259.77 = 31,560.03 : x
  2. Step 2: Convert to fraction form
    56,710.53/78,259.77 = 31,560.03/x
  3. Step 3: Cross multiply
    56,710.53x = 78,259.77 × 31,560.03
  4. Step 4: Simplify right side
    56,710.53x = 2,469,880,688.99
  5. Step 5: Solve for x
    x = 2,469,880,688.99/56,710.53
  6. Step 6: Final answer
    x = 43,552.42

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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.