Home / 31,415.61-43,353.52-17,075.43

Finding the Fourth Proportional to 31,415.61, 43,353.52 and 17,075.43

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Solution

The fourth proportional to 31,415.61, 43,353.52 and 17,075.43 is: 23,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.61 : 43,353.52 = 17,075.43 : x
  2. Step 2: Convert to fraction form
    31,415.61/43,353.52 = 17,075.43/x
  3. Step 3: Cross multiply
    31,415.61x = 43,353.52 × 17,075.43
  4. Step 4: Simplify right side
    31,415.61x = 740,279,914.07
  5. Step 5: Solve for x
    x = 740,279,914.07/31,415.61
  6. Step 6: Final answer
    x = 23,564.08

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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.