Home / 42,239.30-63,349.58-12,653.24

Finding the Fourth Proportional to 42,239.30, 63,349.58 and 12,653.24

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Solution

The fourth proportional to 42,239.30, 63,349.58 and 12,653.24 is: 18,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,239.30 : 63,349.58 = 12,653.24 : x
  2. Step 2: Convert to fraction form
    42,239.30/63,349.58 = 12,653.24/x
  3. Step 3: Cross multiply
    42,239.30x = 63,349.58 × 12,653.24
  4. Step 4: Simplify right side
    42,239.30x = 801,577,154.52
  5. Step 5: Solve for x
    x = 801,577,154.52/42,239.30
  6. Step 6: Final answer
    x = 18,977.05

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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.