Home / 66,330.46-91,533.90-39,466.81

Finding the Fourth Proportional to 66,330.46, 91,533.90 and 39,466.81

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Solution

The fourth proportional to 66,330.46, 91,533.90 and 39,466.81 is: 54,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,330.46 : 91,533.90 = 39,466.81 : x
  2. Step 2: Convert to fraction form
    66,330.46/91,533.90 = 39,466.81/x
  3. Step 3: Cross multiply
    66,330.46x = 91,533.90 × 39,466.81
  4. Step 4: Simplify right side
    66,330.46x = 3,612,551,039.86
  5. Step 5: Solve for x
    x = 3,612,551,039.86/66,330.46
  6. Step 6: Final answer
    x = 54,462.93

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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.