Home / 53,905.32-74,391.63-30,031.98

Finding the Fourth Proportional to 53,905.32, 74,391.63 and 30,031.98

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Solution

The fourth proportional to 53,905.32, 74,391.63 and 30,031.98 is: 41,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.32 : 74,391.63 = 30,031.98 : x
  2. Step 2: Convert to fraction form
    53,905.32/74,391.63 = 30,031.98/x
  3. Step 3: Cross multiply
    53,905.32x = 74,391.63 × 30,031.98
  4. Step 4: Simplify right side
    53,905.32x = 2,234,127,944.33
  5. Step 5: Solve for x
    x = 2,234,127,944.33/53,905.32
  6. Step 6: Final answer
    x = 41,445.41

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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.