Home / 53,892.89-74,374.48-30,019.57

Finding the Fourth Proportional to 53,892.89, 74,374.48 and 30,019.57

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Solution

The fourth proportional to 53,892.89, 74,374.48 and 30,019.57 is: 41,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892.89 : 74,374.48 = 30,019.57 : x
  2. Step 2: Convert to fraction form
    53,892.89/74,374.48 = 30,019.57/x
  3. Step 3: Cross multiply
    53,892.89x = 74,374.48 × 30,019.57
  4. Step 4: Simplify right side
    53,892.89x = 2,232,689,647.59
  5. Step 5: Solve for x
    x = 2,232,689,647.59/53,892.89
  6. Step 6: Final answer
    x = 41,428.28

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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.