Home / 42,620.48-63,903.04-17,653.76

Finding the Fourth Proportional to 42,620.48, 63,903.04 and 17,653.76

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Solution

The fourth proportional to 42,620.48, 63,903.04 and 17,653.76 is: 26,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,620.48 : 63,903.04 = 17,653.76 : x
  2. Step 2: Convert to fraction form
    42,620.48/63,903.04 = 17,653.76/x
  3. Step 3: Cross multiply
    42,620.48x = 63,903.04 × 17,653.76
  4. Step 4: Simplify right side
    42,620.48x = 1,128,128,931.43
  5. Step 5: Solve for x
    x = 1,128,128,931.43/42,620.48
  6. Step 6: Final answer
    x = 26,469.17

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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.