Home / 35,415.50-48,858.74-21,072.47

Finding the Fourth Proportional to 35,415.50, 48,858.74 and 21,072.47

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Solution

The fourth proportional to 35,415.50, 48,858.74 and 21,072.47 is: 29,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.50 : 48,858.74 = 21,072.47 : x
  2. Step 2: Convert to fraction form
    35,415.50/48,858.74 = 21,072.47/x
  3. Step 3: Cross multiply
    35,415.50x = 48,858.74 × 21,072.47
  4. Step 4: Simplify right side
    35,415.50x = 1,029,574,455.62
  5. Step 5: Solve for x
    x = 1,029,574,455.62/35,415.50
  6. Step 6: Final answer
    x = 29,071.29

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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.