Home / 30,498.36-45,751.91-9,440.25

Finding the Fourth Proportional to 30,498.36, 45,751.91 and 9,440.25

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Solution

The fourth proportional to 30,498.36, 45,751.91 and 9,440.25 is: 14,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498.36 : 45,751.91 = 9,440.25 : x
  2. Step 2: Convert to fraction form
    30,498.36/45,751.91 = 9,440.25/x
  3. Step 3: Cross multiply
    30,498.36x = 45,751.91 × 9,440.25
  4. Step 4: Simplify right side
    30,498.36x = 431,909,192.42
  5. Step 5: Solve for x
    x = 431,909,192.42/30,498.36
  6. Step 6: Final answer
    x = 14,161.72

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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.