Home / 30,623.69-45,931.41-11,901.94

Finding the Fourth Proportional to 30,623.69, 45,931.41 and 11,901.94

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Solution

The fourth proportional to 30,623.69, 45,931.41 and 11,901.94 is: 17,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,623.69 : 45,931.41 = 11,901.94 : x
  2. Step 2: Convert to fraction form
    30,623.69/45,931.41 = 11,901.94/x
  3. Step 3: Cross multiply
    30,623.69x = 45,931.41 × 11,901.94
  4. Step 4: Simplify right side
    30,623.69x = 546,672,771.11
  5. Step 5: Solve for x
    x = 546,672,771.11/30,623.69
  6. Step 6: Final answer
    x = 17,851.30

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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.