Home / 51,047.31-76,570.95-15,989.70

Finding the Fourth Proportional to 51,047.31, 76,570.95 and 15,989.70

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Solution

The fourth proportional to 51,047.31, 76,570.95 and 15,989.70 is: 23,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.31 : 76,570.95 = 15,989.70 : x
  2. Step 2: Convert to fraction form
    51,047.31/76,570.95 = 15,989.70/x
  3. Step 3: Cross multiply
    51,047.31x = 76,570.95 × 15,989.70
  4. Step 4: Simplify right side
    51,047.31x = 1,224,346,519.22
  5. Step 5: Solve for x
    x = 1,224,346,519.22/51,047.31
  6. Step 6: Final answer
    x = 23,984.55

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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.