Home / 30,615.47-45,909.35-10,894.55

Finding the Fourth Proportional to 30,615.47, 45,909.35 and 10,894.55

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Solution

The fourth proportional to 30,615.47, 45,909.35 and 10,894.55 is: 16,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,615.47 : 45,909.35 = 10,894.55 : x
  2. Step 2: Convert to fraction form
    30,615.47/45,909.35 = 10,894.55/x
  3. Step 3: Cross multiply
    30,615.47x = 45,909.35 × 10,894.55
  4. Step 4: Simplify right side
    30,615.47x = 500,161,465.88
  5. Step 5: Solve for x
    x = 500,161,465.88/30,615.47
  6. Step 6: Final answer
    x = 16,336.89

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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.