Home / 35,152.49-48,511.40-20,047.61

Finding the Fourth Proportional to 35,152.49, 48,511.40 and 20,047.61

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Solution

The fourth proportional to 35,152.49, 48,511.40 and 20,047.61 is: 27,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.49 : 48,511.40 = 20,047.61 : x
  2. Step 2: Convert to fraction form
    35,152.49/48,511.40 = 20,047.61/x
  3. Step 3: Cross multiply
    35,152.49x = 48,511.40 × 20,047.61
  4. Step 4: Simplify right side
    35,152.49x = 972,537,488.69
  5. Step 5: Solve for x
    x = 972,537,488.69/35,152.49
  6. Step 6: Final answer
    x = 27,666.25

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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.