Home / 45,431.16-68,127.30-15,840.24

Finding the Fourth Proportional to 45,431.16, 68,127.30 and 15,840.24

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Solution

The fourth proportional to 45,431.16, 68,127.30 and 15,840.24 is: 23,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.16 : 68,127.30 = 15,840.24 : x
  2. Step 2: Convert to fraction form
    45,431.16/68,127.30 = 15,840.24/x
  3. Step 3: Cross multiply
    45,431.16x = 68,127.30 × 15,840.24
  4. Step 4: Simplify right side
    45,431.16x = 1,079,152,782.55
  5. Step 5: Solve for x
    x = 1,079,152,782.55/45,431.16
  6. Step 6: Final answer
    x = 23,753.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.