Home / 30,253.68-45,364.92-13,599.48

Finding the Fourth Proportional to 30,253.68, 45,364.92 and 13,599.48

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Solution

The fourth proportional to 30,253.68, 45,364.92 and 13,599.48 is: 20,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.68 : 45,364.92 = 13,599.48 : x
  2. Step 2: Convert to fraction form
    30,253.68/45,364.92 = 13,599.48/x
  3. Step 3: Cross multiply
    30,253.68x = 45,364.92 × 13,599.48
  4. Step 4: Simplify right side
    30,253.68x = 616,939,322.24
  5. Step 5: Solve for x
    x = 616,939,322.24/30,253.68
  6. Step 6: Final answer
    x = 20,392.21

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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.