Home / 40,720.50-61,358.14-33,486.98

Finding the Fourth Proportional to 40,720.50, 61,358.14 and 33,486.98

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Solution

The fourth proportional to 40,720.50, 61,358.14 and 33,486.98 is: 50,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.50 : 61,358.14 = 33,486.98 : x
  2. Step 2: Convert to fraction form
    40,720.50/61,358.14 = 33,486.98/x
  3. Step 3: Cross multiply
    40,720.50x = 61,358.14 × 33,486.98
  4. Step 4: Simplify right side
    40,720.50x = 2,054,698,807.02
  5. Step 5: Solve for x
    x = 2,054,698,807.02/40,720.50
  6. Step 6: Final answer
    x = 50,458.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.