Home / 35,124.47-48,458.23-21,672.40

Finding the Fourth Proportional to 35,124.47, 48,458.23 and 21,672.40

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Solution

The fourth proportional to 35,124.47, 48,458.23 and 21,672.40 is: 29,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,124.47 : 48,458.23 = 21,672.40 : x
  2. Step 2: Convert to fraction form
    35,124.47/48,458.23 = 21,672.40/x
  3. Step 3: Cross multiply
    35,124.47x = 48,458.23 × 21,672.40
  4. Step 4: Simplify right side
    35,124.47x = 1,050,206,143.85
  5. Step 5: Solve for x
    x = 1,050,206,143.85/35,124.47
  6. Step 6: Final answer
    x = 29,899.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.