Home / 52,457.21-78,709.07-27,491.33

Finding the Fourth Proportional to 52,457.21, 78,709.07 and 27,491.33

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Solution

The fourth proportional to 52,457.21, 78,709.07 and 27,491.33 is: 41,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,457.21 : 78,709.07 = 27,491.33 : x
  2. Step 2: Convert to fraction form
    52,457.21/78,709.07 = 27,491.33/x
  3. Step 3: Cross multiply
    52,457.21x = 78,709.07 × 27,491.33
  4. Step 4: Simplify right side
    52,457.21x = 2,163,817,017.36
  5. Step 5: Solve for x
    x = 2,163,817,017.36/52,457.21
  6. Step 6: Final answer
    x = 41,249.18

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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.