Home / 53,057.97-73,210.23-31,554.90

Finding the Fourth Proportional to 53,057.97, 73,210.23 and 31,554.90

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Solution

The fourth proportional to 53,057.97, 73,210.23 and 31,554.90 is: 43,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,057.97 : 73,210.23 = 31,554.90 : x
  2. Step 2: Convert to fraction form
    53,057.97/73,210.23 = 31,554.90/x
  3. Step 3: Cross multiply
    53,057.97x = 73,210.23 × 31,554.90
  4. Step 4: Simplify right side
    53,057.97x = 2,310,141,486.63
  5. Step 5: Solve for x
    x = 2,310,141,486.63/53,057.97
  6. Step 6: Final answer
    x = 43,539.95

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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.