Home / 40,075.86-55,308.80-23,080.74

Finding the Fourth Proportional to 40,075.86, 55,308.80 and 23,080.74

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Solution

The fourth proportional to 40,075.86, 55,308.80 and 23,080.74 is: 31,853.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.86 : 55,308.80 = 23,080.74 : x
  2. Step 2: Convert to fraction form
    40,075.86/55,308.80 = 23,080.74/x
  3. Step 3: Cross multiply
    40,075.86x = 55,308.80 × 23,080.74
  4. Step 4: Simplify right side
    40,075.86x = 1,276,568,032.51
  5. Step 5: Solve for x
    x = 1,276,568,032.51/40,075.86
  6. Step 6: Final answer
    x = 31,853.79

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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.