Home / 30,436.48-45,632.58-20,551.24

Finding the Fourth Proportional to 30,436.48, 45,632.58 and 20,551.24

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Solution

The fourth proportional to 30,436.48, 45,632.58 and 20,551.24 is: 30,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.48 : 45,632.58 = 20,551.24 : x
  2. Step 2: Convert to fraction form
    30,436.48/45,632.58 = 20,551.24/x
  3. Step 3: Cross multiply
    30,436.48x = 45,632.58 × 20,551.24
  4. Step 4: Simplify right side
    30,436.48x = 937,806,103.40
  5. Step 5: Solve for x
    x = 937,806,103.40/30,436.48
  6. Step 6: Final answer
    x = 30,811.91

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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.