Home / 66,949.50-92,390.34-37,147.26

Finding the Fourth Proportional to 66,949.50, 92,390.34 and 37,147.26

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Solution

The fourth proportional to 66,949.50, 92,390.34 and 37,147.26 is: 51,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,949.50 : 92,390.34 = 37,147.26 : x
  2. Step 2: Convert to fraction form
    66,949.50/92,390.34 = 37,147.26/x
  3. Step 3: Cross multiply
    66,949.50x = 92,390.34 × 37,147.26
  4. Step 4: Simplify right side
    66,949.50x = 3,432,047,981.47
  5. Step 5: Solve for x
    x = 3,432,047,981.47/66,949.50
  6. Step 6: Final answer
    x = 51,263.24

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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.