Home / 35,623.26-53,171.80-31,420.89

Finding the Fourth Proportional to 35,623.26, 53,171.80 and 31,420.89

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Solution

The fourth proportional to 35,623.26, 53,171.80 and 31,420.89 is: 46,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.26 : 53,171.80 = 31,420.89 : x
  2. Step 2: Convert to fraction form
    35,623.26/53,171.80 = 31,420.89/x
  3. Step 3: Cross multiply
    35,623.26x = 53,171.80 × 31,420.89
  4. Step 4: Simplify right side
    35,623.26x = 1,670,705,278.90
  5. Step 5: Solve for x
    x = 1,670,705,278.90/35,623.26
  6. Step 6: Final answer
    x = 46,899.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.