Home / 51,548.10-71,136.32-28,887.27

Finding the Fourth Proportional to 51,548.10, 71,136.32 and 28,887.27

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Solution

The fourth proportional to 51,548.10, 71,136.32 and 28,887.27 is: 39,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548.10 : 71,136.32 = 28,887.27 : x
  2. Step 2: Convert to fraction form
    51,548.10/71,136.32 = 28,887.27/x
  3. Step 3: Cross multiply
    51,548.10x = 71,136.32 × 28,887.27
  4. Step 4: Simplify right side
    51,548.10x = 2,054,934,082.65
  5. Step 5: Solve for x
    x = 2,054,934,082.65/51,548.10
  6. Step 6: Final answer
    x = 39,864.40

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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.