Home / 66,436.81-91,679.32-37,752.63

Finding the Fourth Proportional to 66,436.81, 91,679.32 and 37,752.63

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Solution

The fourth proportional to 66,436.81, 91,679.32 and 37,752.63 is: 52,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.81 : 91,679.32 = 37,752.63 : x
  2. Step 2: Convert to fraction form
    66,436.81/91,679.32 = 37,752.63/x
  3. Step 3: Cross multiply
    66,436.81x = 91,679.32 × 37,752.63
  4. Step 4: Simplify right side
    66,436.81x = 3,461,135,675.81
  5. Step 5: Solve for x
    x = 3,461,135,675.81/66,436.81
  6. Step 6: Final answer
    x = 52,096.66

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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.