Home / 56,810.84-85,228.56-21,750.50

Finding the Fourth Proportional to 56,810.84, 85,228.56 and 21,750.50

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Solution

The fourth proportional to 56,810.84, 85,228.56 and 21,750.50 is: 32,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,810.84 : 85,228.56 = 21,750.50 : x
  2. Step 2: Convert to fraction form
    56,810.84/85,228.56 = 21,750.50/x
  3. Step 3: Cross multiply
    56,810.84x = 85,228.56 × 21,750.50
  4. Step 4: Simplify right side
    56,810.84x = 1,853,763,794.28
  5. Step 5: Solve for x
    x = 1,853,763,794.28/56,810.84
  6. Step 6: Final answer
    x = 32,630.46

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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.