Home / 66,977.51-92,428.38-36,764.10

Finding the Fourth Proportional to 66,977.51, 92,428.38 and 36,764.10

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Solution

The fourth proportional to 66,977.51, 92,428.38 and 36,764.10 is: 50,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,977.51 : 92,428.38 = 36,764.10 : x
  2. Step 2: Convert to fraction form
    66,977.51/92,428.38 = 36,764.10/x
  3. Step 3: Cross multiply
    66,977.51x = 92,428.38 × 36,764.10
  4. Step 4: Simplify right side
    66,977.51x = 3,398,046,205.16
  5. Step 5: Solve for x
    x = 3,398,046,205.16/66,977.51
  6. Step 6: Final answer
    x = 50,734.14

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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.