Home / 43,437.48-65,156.28-13,855.44

Finding the Fourth Proportional to 43,437.48, 65,156.28 and 13,855.44

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Solution

The fourth proportional to 43,437.48, 65,156.28 and 13,855.44 is: 20,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,437.48 : 65,156.28 = 13,855.44 : x
  2. Step 2: Convert to fraction form
    43,437.48/65,156.28 = 13,855.44/x
  3. Step 3: Cross multiply
    43,437.48x = 65,156.28 × 13,855.44
  4. Step 4: Simplify right side
    43,437.48x = 902,768,928.16
  5. Step 5: Solve for x
    x = 902,768,928.16/43,437.48
  6. Step 6: Final answer
    x = 20,783.18

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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.