Home / 55,721.98-76,861.47-34,200.28

Finding the Fourth Proportional to 55,721.98, 76,861.47 and 34,200.28

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Solution

The fourth proportional to 55,721.98, 76,861.47 and 34,200.28 is: 47,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721.98 : 76,861.47 = 34,200.28 : x
  2. Step 2: Convert to fraction form
    55,721.98/76,861.47 = 34,200.28/x
  3. Step 3: Cross multiply
    55,721.98x = 76,861.47 × 34,200.28
  4. Step 4: Simplify right side
    55,721.98x = 2,628,683,795.21
  5. Step 5: Solve for x
    x = 2,628,683,795.21/55,721.98
  6. Step 6: Final answer
    x = 47,174.99

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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.