Home / 42,022.40-63,033.50-14,320.40

Finding the Fourth Proportional to 42,022.40, 63,033.50 and 14,320.40

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Solution

The fourth proportional to 42,022.40, 63,033.50 and 14,320.40 is: 21,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.40 : 63,033.50 = 14,320.40 : x
  2. Step 2: Convert to fraction form
    42,022.40/63,033.50 = 14,320.40/x
  3. Step 3: Cross multiply
    42,022.40x = 63,033.50 × 14,320.40
  4. Step 4: Simplify right side
    42,022.40x = 902,664,933.40
  5. Step 5: Solve for x
    x = 902,664,933.40/42,022.40
  6. Step 6: Final answer
    x = 21,480.57

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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.