Home / 35,085.12-48,411.36-20,937.12

Finding the Fourth Proportional to 35,085.12, 48,411.36 and 20,937.12

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Solution

The fourth proportional to 35,085.12, 48,411.36 and 20,937.12 is: 28,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085.12 : 48,411.36 = 20,937.12 : x
  2. Step 2: Convert to fraction form
    35,085.12/48,411.36 = 20,937.12/x
  3. Step 3: Cross multiply
    35,085.12x = 48,411.36 × 20,937.12
  4. Step 4: Simplify right side
    35,085.12x = 1,013,594,453.68
  5. Step 5: Solve for x
    x = 1,013,594,453.68/35,085.12
  6. Step 6: Final answer
    x = 28,889.58

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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.