Home / 30,224.85-45,343.13-11,503.45

Finding the Fourth Proportional to 30,224.85, 45,343.13 and 11,503.45

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Solution

The fourth proportional to 30,224.85, 45,343.13 and 11,503.45 is: 17,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.85 : 45,343.13 = 11,503.45 : x
  2. Step 2: Convert to fraction form
    30,224.85/45,343.13 = 11,503.45/x
  3. Step 3: Cross multiply
    30,224.85x = 45,343.13 × 11,503.45
  4. Step 4: Simplify right side
    30,224.85x = 521,602,492.67
  5. Step 5: Solve for x
    x = 521,602,492.67/30,224.85
  6. Step 6: Final answer
    x = 17,257.40

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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.