Home / 51,561.12-71,154.48-29,205.12

Finding the Fourth Proportional to 51,561.12, 71,154.48 and 29,205.12

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Solution

The fourth proportional to 51,561.12, 71,154.48 and 29,205.12 is: 40,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.12 : 71,154.48 = 29,205.12 : x
  2. Step 2: Convert to fraction form
    51,561.12/71,154.48 = 29,205.12/x
  3. Step 3: Cross multiply
    51,561.12x = 71,154.48 × 29,205.12
  4. Step 4: Simplify right side
    51,561.12x = 2,078,075,126.94
  5. Step 5: Solve for x
    x = 2,078,075,126.94/51,561.12
  6. Step 6: Final answer
    x = 40,303.14

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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.