Home / 30,414.59-45,623.41-11,688.07

Finding the Fourth Proportional to 30,414.59, 45,623.41 and 11,688.07

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Solution

The fourth proportional to 30,414.59, 45,623.41 and 11,688.07 is: 17,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.59 : 45,623.41 = 11,688.07 : x
  2. Step 2: Convert to fraction form
    30,414.59/45,623.41 = 11,688.07/x
  3. Step 3: Cross multiply
    30,414.59x = 45,623.41 × 11,688.07
  4. Step 4: Simplify right side
    30,414.59x = 533,249,466.44
  5. Step 5: Solve for x
    x = 533,249,466.44/30,414.59
  6. Step 6: Final answer
    x = 17,532.68

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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.