Home / 56,491.40-84,744.30-21,441.08

Finding the Fourth Proportional to 56,491.40, 84,744.30 and 21,441.08

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Solution

The fourth proportional to 56,491.40, 84,744.30 and 21,441.08 is: 32,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.40 : 84,744.30 = 21,441.08 : x
  2. Step 2: Convert to fraction form
    56,491.40/84,744.30 = 21,441.08/x
  3. Step 3: Cross multiply
    56,491.40x = 84,744.30 × 21,441.08
  4. Step 4: Simplify right side
    56,491.40x = 1,817,009,315.84
  5. Step 5: Solve for x
    x = 1,817,009,315.84/56,491.40
  6. Step 6: Final answer
    x = 32,164.35

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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.