Home / 56,840.04-78,436.38-31,350.84

Finding the Fourth Proportional to 56,840.04, 78,436.38 and 31,350.84

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Solution

The fourth proportional to 56,840.04, 78,436.38 and 31,350.84 is: 43,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,840.04 : 78,436.38 = 31,350.84 : x
  2. Step 2: Convert to fraction form
    56,840.04/78,436.38 = 31,350.84/x
  3. Step 3: Cross multiply
    56,840.04x = 78,436.38 × 31,350.84
  4. Step 4: Simplify right side
    56,840.04x = 2,459,046,399.56
  5. Step 5: Solve for x
    x = 2,459,046,399.56/56,840.04
  6. Step 6: Final answer
    x = 43,262.57

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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.