Home / 30,671.24-45,979.58-11,946.92

Finding the Fourth Proportional to 30,671.24, 45,979.58 and 11,946.92

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Solution

The fourth proportional to 30,671.24, 45,979.58 and 11,946.92 is: 17,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.24 : 45,979.58 = 11,946.92 : x
  2. Step 2: Convert to fraction form
    30,671.24/45,979.58 = 11,946.92/x
  3. Step 3: Cross multiply
    30,671.24x = 45,979.58 × 11,946.92
  4. Step 4: Simplify right side
    30,671.24x = 549,314,074.26
  5. Step 5: Solve for x
    x = 549,314,074.26/30,671.24
  6. Step 6: Final answer
    x = 17,909.75

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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.