Home / 51,507.51-71,082.99-28,845.18

Finding the Fourth Proportional to 51,507.51, 71,082.99 and 28,845.18

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Solution

The fourth proportional to 51,507.51, 71,082.99 and 28,845.18 is: 39,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.51 : 71,082.99 = 28,845.18 : x
  2. Step 2: Convert to fraction form
    51,507.51/71,082.99 = 28,845.18/x
  3. Step 3: Cross multiply
    51,507.51x = 71,082.99 × 28,845.18
  4. Step 4: Simplify right side
    51,507.51x = 2,050,401,641.49
  5. Step 5: Solve for x
    x = 2,050,401,641.49/51,507.51
  6. Step 6: Final answer
    x = 39,807.82

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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.