Home / 42,537.10-63,819.86-18,841.43

Finding the Fourth Proportional to 42,537.10, 63,819.86 and 18,841.43

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Solution

The fourth proportional to 42,537.10, 63,819.86 and 18,841.43 is: 28,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,537.10 : 63,819.86 = 18,841.43 : x
  2. Step 2: Convert to fraction form
    42,537.10/63,819.86 = 18,841.43/x
  3. Step 3: Cross multiply
    42,537.10x = 63,819.86 × 18,841.43
  4. Step 4: Simplify right side
    42,537.10x = 1,202,457,424.80
  5. Step 5: Solve for x
    x = 1,202,457,424.80/42,537.10
  6. Step 6: Final answer
    x = 28,268.44

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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.