Home / 40,848.71-56,346.80-25,715.12

Finding the Fourth Proportional to 40,848.71, 56,346.80 and 25,715.12

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Solution

The fourth proportional to 40,848.71, 56,346.80 and 25,715.12 is: 35,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,848.71 : 56,346.80 = 25,715.12 : x
  2. Step 2: Convert to fraction form
    40,848.71/56,346.80 = 25,715.12/x
  3. Step 3: Cross multiply
    40,848.71x = 56,346.80 × 25,715.12
  4. Step 4: Simplify right side
    40,848.71x = 1,448,964,313.31
  5. Step 5: Solve for x
    x = 1,448,964,313.31/40,848.71
  6. Step 6: Final answer
    x = 35,471.49

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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.