Home / 53,892.88-74,374.47-30,019.55

Finding the Fourth Proportional to 53,892.88, 74,374.47 and 30,019.55

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Solution

The fourth proportional to 53,892.88, 74,374.47 and 30,019.55 is: 41,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892.88 : 74,374.47 = 30,019.55 : x
  2. Step 2: Convert to fraction form
    53,892.88/74,374.47 = 30,019.55/x
  3. Step 3: Cross multiply
    53,892.88x = 74,374.47 × 30,019.55
  4. Step 4: Simplify right side
    53,892.88x = 2,232,687,749.02
  5. Step 5: Solve for x
    x = 2,232,687,749.02/53,892.88
  6. Step 6: Final answer
    x = 41,428.25

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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.