Home / 61,964.28-85,518-36,813.80

Finding the Fourth Proportional to 61,964.28, 85,518 and 36,813.80

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Solution

The fourth proportional to 61,964.28, 85,518 and 36,813.80 is: 50,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,964.28 : 85,518 = 36,813.80 : x
  2. Step 2: Convert to fraction form
    61,964.28/85,518 = 36,813.80/x
  3. Step 3: Cross multiply
    61,964.28x = 85,518 × 36,813.80
  4. Step 4: Simplify right side
    61,964.28x = 3,148,242,548.40
  5. Step 5: Solve for x
    x = 3,148,242,548.40/61,964.28
  6. Step 6: Final answer
    x = 50,807.38

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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.