Home / 42,627.06-63,918.05-18,924.30

Finding the Fourth Proportional to 42,627.06, 63,918.05 and 18,924.30

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Solution

The fourth proportional to 42,627.06, 63,918.05 and 18,924.30 is: 28,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,627.06 : 63,918.05 = 18,924.30 : x
  2. Step 2: Convert to fraction form
    42,627.06/63,918.05 = 18,924.30/x
  3. Step 3: Cross multiply
    42,627.06x = 63,918.05 × 18,924.30
  4. Step 4: Simplify right side
    42,627.06x = 1,209,604,258.99
  5. Step 5: Solve for x
    x = 1,209,604,258.99/42,627.06
  6. Step 6: Final answer
    x = 28,376.44

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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.