Home / 53,904.32-74,390.25-30,030.98

Finding the Fourth Proportional to 53,904.32, 74,390.25 and 30,030.98

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Solution

The fourth proportional to 53,904.32, 74,390.25 and 30,030.98 is: 41,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.32 : 74,390.25 = 30,030.98 : x
  2. Step 2: Convert to fraction form
    53,904.32/74,390.25 = 30,030.98/x
  3. Step 3: Cross multiply
    53,904.32x = 74,390.25 × 30,030.98
  4. Step 4: Simplify right side
    53,904.32x = 2,234,012,109.95
  5. Step 5: Solve for x
    x = 2,234,012,109.95/53,904.32
  6. Step 6: Final answer
    x = 41,444.03

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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.