Home / 30,171.60-45,257.40-14,602.32

Finding the Fourth Proportional to 30,171.60, 45,257.40 and 14,602.32

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Solution

The fourth proportional to 30,171.60, 45,257.40 and 14,602.32 is: 21,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.60 : 45,257.40 = 14,602.32 : x
  2. Step 2: Convert to fraction form
    30,171.60/45,257.40 = 14,602.32/x
  3. Step 3: Cross multiply
    30,171.60x = 45,257.40 × 14,602.32
  4. Step 4: Simplify right side
    30,171.60x = 660,863,037.17
  5. Step 5: Solve for x
    x = 660,863,037.17/30,171.60
  6. Step 6: Final answer
    x = 21,903.48

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Similar ratio
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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.