Home / 42,143.63-63,224.68-15,848.36

Finding the Fourth Proportional to 42,143.63, 63,224.68 and 15,848.36

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Solution

The fourth proportional to 42,143.63, 63,224.68 and 15,848.36 is: 23,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.63 : 63,224.68 = 15,848.36 : x
  2. Step 2: Convert to fraction form
    42,143.63/63,224.68 = 15,848.36/x
  3. Step 3: Cross multiply
    42,143.63x = 63,224.68 × 15,848.36
  4. Step 4: Simplify right side
    42,143.63x = 1,002,007,489.52
  5. Step 5: Solve for x
    x = 1,002,007,489.52/42,143.63
  6. Step 6: Final answer
    x = 23,776.01

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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.