Home / 66,400.07-99,539.96-33,130.40

Finding the Fourth Proportional to 66,400.07, 99,539.96 and 33,130.40

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Solution

The fourth proportional to 66,400.07, 99,539.96 and 33,130.40 is: 49,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400.07 : 99,539.96 = 33,130.40 : x
  2. Step 2: Convert to fraction form
    66,400.07/99,539.96 = 33,130.40/x
  3. Step 3: Cross multiply
    66,400.07x = 99,539.96 × 33,130.40
  4. Step 4: Simplify right side
    66,400.07x = 3,297,798,027.43
  5. Step 5: Solve for x
    x = 3,297,798,027.43/66,400.07
  6. Step 6: Final answer
    x = 49,665.58

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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.