Home / 30,208.19-45,312.77-9,148.44

Finding the Fourth Proportional to 30,208.19, 45,312.77 and 9,148.44

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Solution

The fourth proportional to 30,208.19, 45,312.77 and 9,148.44 is: 13,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.19 : 45,312.77 = 9,148.44 : x
  2. Step 2: Convert to fraction form
    30,208.19/45,312.77 = 9,148.44/x
  3. Step 3: Cross multiply
    30,208.19x = 45,312.77 × 9,148.44
  4. Step 4: Simplify right side
    30,208.19x = 414,541,298.91
  5. Step 5: Solve for x
    x = 414,541,298.91/30,208.19
  6. Step 6: Final answer
    x = 13,722.81

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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.