Home / 51,666.50-71,307.22-28,701.56

Finding the Fourth Proportional to 51,666.50, 71,307.22 and 28,701.56

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Solution

The fourth proportional to 51,666.50, 71,307.22 and 28,701.56 is: 39,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,666.50 : 71,307.22 = 28,701.56 : x
  2. Step 2: Convert to fraction form
    51,666.50/71,307.22 = 28,701.56/x
  3. Step 3: Cross multiply
    51,666.50x = 71,307.22 × 28,701.56
  4. Step 4: Simplify right side
    51,666.50x = 2,046,628,453.26
  5. Step 5: Solve for x
    x = 2,046,628,453.26/51,666.50
  6. Step 6: Final answer
    x = 39,612.29

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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.