Home / 30,624.50-45,948.56-11,917.73

Finding the Fourth Proportional to 30,624.50, 45,948.56 and 11,917.73

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Solution

The fourth proportional to 30,624.50, 45,948.56 and 11,917.73 is: 17,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.50 : 45,948.56 = 11,917.73 : x
  2. Step 2: Convert to fraction form
    30,624.50/45,948.56 = 11,917.73/x
  3. Step 3: Cross multiply
    30,624.50x = 45,948.56 × 11,917.73
  4. Step 4: Simplify right side
    30,624.50x = 547,602,242.64
  5. Step 5: Solve for x
    x = 547,602,242.64/30,624.50
  6. Step 6: Final answer
    x = 17,881.18

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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.