Home / 30,336.67-45,525.49-10,615.40

Finding the Fourth Proportional to 30,336.67, 45,525.49 and 10,615.40

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Solution

The fourth proportional to 30,336.67, 45,525.49 and 10,615.40 is: 15,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.67 : 45,525.49 = 10,615.40 : x
  2. Step 2: Convert to fraction form
    30,336.67/45,525.49 = 10,615.40/x
  3. Step 3: Cross multiply
    30,336.67x = 45,525.49 × 10,615.40
  4. Step 4: Simplify right side
    30,336.67x = 483,271,032.38
  5. Step 5: Solve for x
    x = 483,271,032.38/30,336.67
  6. Step 6: Final answer
    x = 15,930.26

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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.