Home / 30,080.18-45,164.63-16,779.17

Finding the Fourth Proportional to 30,080.18, 45,164.63 and 16,779.17

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Solution

The fourth proportional to 30,080.18, 45,164.63 and 16,779.17 is: 25,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,080.18 : 45,164.63 = 16,779.17 : x
  2. Step 2: Convert to fraction form
    30,080.18/45,164.63 = 16,779.17/x
  3. Step 3: Cross multiply
    30,080.18x = 45,164.63 × 16,779.17
  4. Step 4: Simplify right side
    30,080.18x = 757,824,695.04
  5. Step 5: Solve for x
    x = 757,824,695.04/30,080.18
  6. Step 6: Final answer
    x = 25,193.49

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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.