Home / 30,109.84-45,148.26-23,909.68

Finding the Fourth Proportional to 30,109.84, 45,148.26 and 23,909.68

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Solution

The fourth proportional to 30,109.84, 45,148.26 and 23,909.68 is: 35,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.84 : 45,148.26 = 23,909.68 : x
  2. Step 2: Convert to fraction form
    30,109.84/45,148.26 = 23,909.68/x
  3. Step 3: Cross multiply
    30,109.84x = 45,148.26 × 23,909.68
  4. Step 4: Simplify right side
    30,109.84x = 1,079,480,449.16
  5. Step 5: Solve for x
    x = 1,079,480,449.16/30,109.84
  6. Step 6: Final answer
    x = 35,851.42

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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.