Home / 53,909.44-74,394.84-30,036.40

Finding the Fourth Proportional to 53,909.44, 74,394.84 and 30,036.40

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Solution

The fourth proportional to 53,909.44, 74,394.84 and 30,036.40 is: 41,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.44 : 74,394.84 = 30,036.40 : x
  2. Step 2: Convert to fraction form
    53,909.44/74,394.84 = 30,036.40/x
  3. Step 3: Cross multiply
    53,909.44x = 74,394.84 × 30,036.40
  4. Step 4: Simplify right side
    53,909.44x = 2,234,553,172.18
  5. Step 5: Solve for x
    x = 2,234,553,172.18/53,909.44
  6. Step 6: Final answer
    x = 41,450.13

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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.