Home / 35,601.20-53,387.40-12,215.60

Finding the Fourth Proportional to 35,601.20, 53,387.40 and 12,215.60

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Solution

The fourth proportional to 35,601.20, 53,387.40 and 12,215.60 is: 18,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,601.20 : 53,387.40 = 12,215.60 : x
  2. Step 2: Convert to fraction form
    35,601.20/53,387.40 = 12,215.60/x
  3. Step 3: Cross multiply
    35,601.20x = 53,387.40 × 12,215.60
  4. Step 4: Simplify right side
    35,601.20x = 652,159,123.44
  5. Step 5: Solve for x
    x = 652,159,123.44/35,601.20
  6. Step 6: Final answer
    x = 18,318.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.