Home / 30,549.60-45,826.83-13,910.18

Finding the Fourth Proportional to 30,549.60, 45,826.83 and 13,910.18

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Solution

The fourth proportional to 30,549.60, 45,826.83 and 13,910.18 is: 20,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,549.60 : 45,826.83 = 13,910.18 : x
  2. Step 2: Convert to fraction form
    30,549.60/45,826.83 = 13,910.18/x
  3. Step 3: Cross multiply
    30,549.60x = 45,826.83 × 13,910.18
  4. Step 4: Simplify right side
    30,549.60x = 637,459,225.00
  5. Step 5: Solve for x
    x = 637,459,225.00/30,549.60
  6. Step 6: Final answer
    x = 20,866.37

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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.