Home / 43,106.68-64,643.88-15,019.52

Finding the Fourth Proportional to 43,106.68, 64,643.88 and 15,019.52

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Solution

The fourth proportional to 43,106.68, 64,643.88 and 15,019.52 is: 22,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.68 : 64,643.88 = 15,019.52 : x
  2. Step 2: Convert to fraction form
    43,106.68/64,643.88 = 15,019.52/x
  3. Step 3: Cross multiply
    43,106.68x = 64,643.88 × 15,019.52
  4. Step 4: Simplify right side
    43,106.68x = 970,920,048.54
  5. Step 5: Solve for x
    x = 970,920,048.54/43,106.68
  6. Step 6: Final answer
    x = 22,523.66

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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.