Home / 45,431.01-68,113.24-21,407.13

Finding the Fourth Proportional to 45,431.01, 68,113.24 and 21,407.13

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Solution

The fourth proportional to 45,431.01, 68,113.24 and 21,407.13 is: 32,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.01 : 68,113.24 = 21,407.13 : x
  2. Step 2: Convert to fraction form
    45,431.01/68,113.24 = 21,407.13/x
  3. Step 3: Cross multiply
    45,431.01x = 68,113.24 × 21,407.13
  4. Step 4: Simplify right side
    45,431.01x = 1,458,108,983.40
  5. Step 5: Solve for x
    x = 1,458,108,983.40/45,431.01
  6. Step 6: Final answer
    x = 32,095.02

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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.