Home / 61,175.21-84,415.19-35,332.16

Finding the Fourth Proportional to 61,175.21, 84,415.19 and 35,332.16

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Solution

The fourth proportional to 61,175.21, 84,415.19 and 35,332.16 is: 48,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,175.21 : 84,415.19 = 35,332.16 : x
  2. Step 2: Convert to fraction form
    61,175.21/84,415.19 = 35,332.16/x
  3. Step 3: Cross multiply
    61,175.21x = 84,415.19 × 35,332.16
  4. Step 4: Simplify right side
    61,175.21x = 2,982,570,999.51
  5. Step 5: Solve for x
    x = 2,982,570,999.51/61,175.21
  6. Step 6: Final answer
    x = 48,754.57

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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.