Home / 51,136.56-70,563.96-28,473.84

Finding the Fourth Proportional to 51,136.56, 70,563.96 and 28,473.84

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Solution

The fourth proportional to 51,136.56, 70,563.96 and 28,473.84 is: 39,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.56 : 70,563.96 = 28,473.84 : x
  2. Step 2: Convert to fraction form
    51,136.56/70,563.96 = 28,473.84/x
  3. Step 3: Cross multiply
    51,136.56x = 70,563.96 × 28,473.84
  4. Step 4: Simplify right side
    51,136.56x = 2,009,226,906.81
  5. Step 5: Solve for x
    x = 2,009,226,906.81/51,136.56
  6. Step 6: Final answer
    x = 39,291.40

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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.