Home / 31,578.02-43,577.97-17,430.56

Finding the Fourth Proportional to 31,578.02, 43,577.97 and 17,430.56

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Solution

The fourth proportional to 31,578.02, 43,577.97 and 17,430.56 is: 24,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.02 : 43,577.97 = 17,430.56 : x
  2. Step 2: Convert to fraction form
    31,578.02/43,577.97 = 17,430.56/x
  3. Step 3: Cross multiply
    31,578.02x = 43,577.97 × 17,430.56
  4. Step 4: Simplify right side
    31,578.02x = 759,588,420.76
  5. Step 5: Solve for x
    x = 759,588,420.76/31,578.02
  6. Step 6: Final answer
    x = 24,054.34

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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.