Home / 42,223.16-63,303.28-14,126.60

Finding the Fourth Proportional to 42,223.16, 63,303.28 and 14,126.60

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Solution

The fourth proportional to 42,223.16, 63,303.28 and 14,126.60 is: 21,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,223.16 : 63,303.28 = 14,126.60 : x
  2. Step 2: Convert to fraction form
    42,223.16/63,303.28 = 14,126.60/x
  3. Step 3: Cross multiply
    42,223.16x = 63,303.28 × 14,126.60
  4. Step 4: Simplify right side
    42,223.16x = 894,260,115.25
  5. Step 5: Solve for x
    x = 894,260,115.25/42,223.16
  6. Step 6: Final answer
    x = 21,179.37

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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.