Home / 40,985.76-56,555.64-23,080.32

Finding the Fourth Proportional to 40,985.76, 56,555.64 and 23,080.32

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Solution

The fourth proportional to 40,985.76, 56,555.64 and 23,080.32 is: 31,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.76 : 56,555.64 = 23,080.32 : x
  2. Step 2: Convert to fraction form
    40,985.76/56,555.64 = 23,080.32/x
  3. Step 3: Cross multiply
    40,985.76x = 56,555.64 × 23,080.32
  4. Step 4: Simplify right side
    40,985.76x = 1,305,322,269.00
  5. Step 5: Solve for x
    x = 1,305,322,269.00/40,985.76
  6. Step 6: Final answer
    x = 31,848.19

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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.