Home / 30,013.56-44,984.40-13,981.50

Finding the Fourth Proportional to 30,013.56, 44,984.40 and 13,981.50

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Solution

The fourth proportional to 30,013.56, 44,984.40 and 13,981.50 is: 20,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.56 : 44,984.40 = 13,981.50 : x
  2. Step 2: Convert to fraction form
    30,013.56/44,984.40 = 13,981.50/x
  3. Step 3: Cross multiply
    30,013.56x = 44,984.40 × 13,981.50
  4. Step 4: Simplify right side
    30,013.56x = 628,949,388.60
  5. Step 5: Solve for x
    x = 628,949,388.60/30,013.56
  6. Step 6: Final answer
    x = 20,955.51

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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.