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Finding the Fourth Proportional to 60,641.55, 83,683.22 and 33,782.67

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Solution

The fourth proportional to 60,641.55, 83,683.22 and 33,782.67 is: 46,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,641.55 : 83,683.22 = 33,782.67 : x
  2. Step 2: Convert to fraction form
    60,641.55/83,683.22 = 33,782.67/x
  3. Step 3: Cross multiply
    60,641.55x = 83,683.22 × 33,782.67
  4. Step 4: Simplify right side
    60,641.55x = 2,827,042,271.84
  5. Step 5: Solve for x
    x = 2,827,042,271.84/60,641.55
  6. Step 6: Final answer
    x = 46,618.90

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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.