Home / 54,220.83-74,825.12-31,573.02

Finding the Fourth Proportional to 54,220.83, 74,825.12 and 31,573.02

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Solution

The fourth proportional to 54,220.83, 74,825.12 and 31,573.02 is: 43,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.83 : 74,825.12 = 31,573.02 : x
  2. Step 2: Convert to fraction form
    54,220.83/74,825.12 = 31,573.02/x
  3. Step 3: Cross multiply
    54,220.83x = 74,825.12 × 31,573.02
  4. Step 4: Simplify right side
    54,220.83x = 2,362,455,192.19
  5. Step 5: Solve for x
    x = 2,362,455,192.19/54,220.83
  6. Step 6: Final answer
    x = 43,570.99

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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.