Home / 56,347.28-84,534.96-16,905.12

Finding the Fourth Proportional to 56,347.28, 84,534.96 and 16,905.12

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Solution

The fourth proportional to 56,347.28, 84,534.96 and 16,905.12 is: 25,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.28 : 84,534.96 = 16,905.12 : x
  2. Step 2: Convert to fraction form
    56,347.28/84,534.96 = 16,905.12/x
  3. Step 3: Cross multiply
    56,347.28x = 84,534.96 × 16,905.12
  4. Step 4: Simplify right side
    56,347.28x = 1,429,073,643.00
  5. Step 5: Solve for x
    x = 1,429,073,643.00/56,347.28
  6. Step 6: Final answer
    x = 25,361.89

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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.