Home / 53,830.74-74,290.46-31,175.85

Finding the Fourth Proportional to 53,830.74, 74,290.46 and 31,175.85

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Solution

The fourth proportional to 53,830.74, 74,290.46 and 31,175.85 is: 43,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830.74 : 74,290.46 = 31,175.85 : x
  2. Step 2: Convert to fraction form
    53,830.74/74,290.46 = 31,175.85/x
  3. Step 3: Cross multiply
    53,830.74x = 74,290.46 × 31,175.85
  4. Step 4: Simplify right side
    53,830.74x = 2,316,068,081.51
  5. Step 5: Solve for x
    x = 2,316,068,081.51/53,830.74
  6. Step 6: Final answer
    x = 43,025.01

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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.