Home / 42,802.60-64,196.30-11,630.56

Finding the Fourth Proportional to 42,802.60, 64,196.30 and 11,630.56

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Solution

The fourth proportional to 42,802.60, 64,196.30 and 11,630.56 is: 17,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,802.60 : 64,196.30 = 11,630.56 : x
  2. Step 2: Convert to fraction form
    42,802.60/64,196.30 = 11,630.56/x
  3. Step 3: Cross multiply
    42,802.60x = 64,196.30 × 11,630.56
  4. Step 4: Simplify right side
    42,802.60x = 746,638,918.93
  5. Step 5: Solve for x
    x = 746,638,918.93/42,802.60
  6. Step 6: Final answer
    x = 17,443.77

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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.