Home / 42,822.24-64,248.57-19,127.58

Finding the Fourth Proportional to 42,822.24, 64,248.57 and 19,127.58

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Solution

The fourth proportional to 42,822.24, 64,248.57 and 19,127.58 is: 28,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,822.24 : 64,248.57 = 19,127.58 : x
  2. Step 2: Convert to fraction form
    42,822.24/64,248.57 = 19,127.58/x
  3. Step 3: Cross multiply
    42,822.24x = 64,248.57 × 19,127.58
  4. Step 4: Simplify right side
    42,822.24x = 1,228,919,662.56
  5. Step 5: Solve for x
    x = 1,228,919,662.56/42,822.24
  6. Step 6: Final answer
    x = 28,698.16

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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.