Home / 30,228.60-45,298.26-14,627.64

Finding the Fourth Proportional to 30,228.60, 45,298.26 and 14,627.64

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Solution

The fourth proportional to 30,228.60, 45,298.26 and 14,627.64 is: 21,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.60 : 45,298.26 = 14,627.64 : x
  2. Step 2: Convert to fraction form
    30,228.60/45,298.26 = 14,627.64/x
  3. Step 3: Cross multiply
    30,228.60x = 45,298.26 × 14,627.64
  4. Step 4: Simplify right side
    30,228.60x = 662,606,639.91
  5. Step 5: Solve for x
    x = 662,606,639.91/30,228.60
  6. Step 6: Final answer
    x = 21,919.86

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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.