Home / 42,223.84-63,317.28-20,043.60

Finding the Fourth Proportional to 42,223.84, 63,317.28 and 20,043.60

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Solution

The fourth proportional to 42,223.84, 63,317.28 and 20,043.60 is: 30,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.84 : 63,317.28 = 20,043.60 : x
  2. Step 2: Convert to fraction form
    42,223.84/63,317.28 = 20,043.60/x
  3. Step 3: Cross multiply
    42,223.84x = 63,317.28 × 20,043.60
  4. Step 4: Simplify right side
    42,223.84x = 1,269,106,233.41
  5. Step 5: Solve for x
    x = 1,269,106,233.41/42,223.84
  6. Step 6: Final answer
    x = 30,056.63

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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.