Home / 53,888.62-74,368.60-30,015.30

Finding the Fourth Proportional to 53,888.62, 74,368.60 and 30,015.30

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Solution

The fourth proportional to 53,888.62, 74,368.60 and 30,015.30 is: 41,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.62 : 74,368.60 = 30,015.30 : x
  2. Step 2: Convert to fraction form
    53,888.62/74,368.60 = 30,015.30/x
  3. Step 3: Cross multiply
    53,888.62x = 74,368.60 × 30,015.30
  4. Step 4: Simplify right side
    53,888.62x = 2,232,195,839.58
  5. Step 5: Solve for x
    x = 2,232,195,839.58/53,888.62
  6. Step 6: Final answer
    x = 41,422.40

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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.