Home / 40,495.03-55,859.08-31,528.33

Finding the Fourth Proportional to 40,495.03, 55,859.08 and 31,528.33

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Solution

The fourth proportional to 40,495.03, 55,859.08 and 31,528.33 is: 43,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.03 : 55,859.08 = 31,528.33 : x
  2. Step 2: Convert to fraction form
    40,495.03/55,859.08 = 31,528.33/x
  3. Step 3: Cross multiply
    40,495.03x = 55,859.08 × 31,528.33
  4. Step 4: Simplify right side
    40,495.03x = 1,761,143,507.74
  5. Step 5: Solve for x
    x = 1,761,143,507.74/40,495.03
  6. Step 6: Final answer
    x = 43,490.36

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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.