Home / 44,415.64-66,656.32-21,042.12

Finding the Fourth Proportional to 44,415.64, 66,656.32 and 21,042.12

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Solution

The fourth proportional to 44,415.64, 66,656.32 and 21,042.12 is: 31,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,415.64 : 66,656.32 = 21,042.12 : x
  2. Step 2: Convert to fraction form
    44,415.64/66,656.32 = 21,042.12/x
  3. Step 3: Cross multiply
    44,415.64x = 66,656.32 × 21,042.12
  4. Step 4: Simplify right side
    44,415.64x = 1,402,590,284.20
  5. Step 5: Solve for x
    x = 1,402,590,284.20/44,415.64
  6. Step 6: Final answer
    x = 31,578.75

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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.