Home / 53,901.84-74,384.60-31,245.20

Finding the Fourth Proportional to 53,901.84, 74,384.60 and 31,245.20

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Solution

The fourth proportional to 53,901.84, 74,384.60 and 31,245.20 is: 43,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901.84 : 74,384.60 = 31,245.20 : x
  2. Step 2: Convert to fraction form
    53,901.84/74,384.60 = 31,245.20/x
  3. Step 3: Cross multiply
    53,901.84x = 74,384.60 × 31,245.20
  4. Step 4: Simplify right side
    53,901.84x = 2,324,161,703.92
  5. Step 5: Solve for x
    x = 2,324,161,703.92/53,901.84
  6. Step 6: Final answer
    x = 43,118.41

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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.