Home / 42,593.68-63,886.92-19,219.60

Finding the Fourth Proportional to 42,593.68, 63,886.92 and 19,219.60

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Solution

The fourth proportional to 42,593.68, 63,886.92 and 19,219.60 is: 28,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,593.68 : 63,886.92 = 19,219.60 : x
  2. Step 2: Convert to fraction form
    42,593.68/63,886.92 = 19,219.60/x
  3. Step 3: Cross multiply
    42,593.68x = 63,886.92 × 19,219.60
  4. Step 4: Simplify right side
    42,593.68x = 1,227,881,047.63
  5. Step 5: Solve for x
    x = 1,227,881,047.63/42,593.68
  6. Step 6: Final answer
    x = 28,827.78

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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.