Home / 53,957.22-74,467.70-30,994.22

Finding the Fourth Proportional to 53,957.22, 74,467.70 and 30,994.22

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Solution

The fourth proportional to 53,957.22, 74,467.70 and 30,994.22 is: 42,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,957.22 : 74,467.70 = 30,994.22 : x
  2. Step 2: Convert to fraction form
    53,957.22/74,467.70 = 30,994.22/x
  3. Step 3: Cross multiply
    53,957.22x = 74,467.70 × 30,994.22
  4. Step 4: Simplify right side
    53,957.22x = 2,308,068,276.69
  5. Step 5: Solve for x
    x = 2,308,068,276.69/53,957.22
  6. Step 6: Final answer
    x = 42,775.89

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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.