Home / 42,356.70-63,540.93-14,284.80

Finding the Fourth Proportional to 42,356.70, 63,540.93 and 14,284.80

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Solution

The fourth proportional to 42,356.70, 63,540.93 and 14,284.80 is: 21,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.70 : 63,540.93 = 14,284.80 : x
  2. Step 2: Convert to fraction form
    42,356.70/63,540.93 = 14,284.80/x
  3. Step 3: Cross multiply
    42,356.70x = 63,540.93 × 14,284.80
  4. Step 4: Simplify right side
    42,356.70x = 907,669,476.86
  5. Step 5: Solve for x
    x = 907,669,476.86/42,356.70
  6. Step 6: Final answer
    x = 21,429.18

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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.