Home / 51,513.95-77,281.98-15,974.50

Finding the Fourth Proportional to 51,513.95, 77,281.98 and 15,974.50

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Solution

The fourth proportional to 51,513.95, 77,281.98 and 15,974.50 is: 23,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.95 : 77,281.98 = 15,974.50 : x
  2. Step 2: Convert to fraction form
    51,513.95/77,281.98 = 15,974.50/x
  3. Step 3: Cross multiply
    51,513.95x = 77,281.98 × 15,974.50
  4. Step 4: Simplify right side
    51,513.95x = 1,234,540,989.51
  5. Step 5: Solve for x
    x = 1,234,540,989.51/51,513.95
  6. Step 6: Final answer
    x = 23,965.18

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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.