Home / 45,706.95-68,569.02-20,748.75

Finding the Fourth Proportional to 45,706.95, 68,569.02 and 20,748.75

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Solution

The fourth proportional to 45,706.95, 68,569.02 and 20,748.75 is: 31,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.95 : 68,569.02 = 20,748.75 : x
  2. Step 2: Convert to fraction form
    45,706.95/68,569.02 = 20,748.75/x
  3. Step 3: Cross multiply
    45,706.95x = 68,569.02 × 20,748.75
  4. Step 4: Simplify right side
    45,706.95x = 1,422,721,453.73
  5. Step 5: Solve for x
    x = 1,422,721,453.73/45,706.95
  6. Step 6: Final answer
    x = 31,127.03

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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.