Home / 31,577.76-43,577.30-17,430.60

Finding the Fourth Proportional to 31,577.76, 43,577.30 and 17,430.60

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Solution

The fourth proportional to 31,577.76, 43,577.30 and 17,430.60 is: 24,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.76 : 43,577.30 = 17,430.60 : x
  2. Step 2: Convert to fraction form
    31,577.76/43,577.30 = 17,430.60/x
  3. Step 3: Cross multiply
    31,577.76x = 43,577.30 × 17,430.60
  4. Step 4: Simplify right side
    31,577.76x = 759,578,332.86
  5. Step 5: Solve for x
    x = 759,578,332.86/31,577.76
  6. Step 6: Final answer
    x = 24,054.22

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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.