Home / 31,476.48-47,222.40-16,700.16

Finding the Fourth Proportional to 31,476.48, 47,222.40 and 16,700.16

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Solution

The fourth proportional to 31,476.48, 47,222.40 and 16,700.16 is: 25,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,476.48 : 47,222.40 = 16,700.16 : x
  2. Step 2: Convert to fraction form
    31,476.48/47,222.40 = 16,700.16/x
  3. Step 3: Cross multiply
    31,476.48x = 47,222.40 × 16,700.16
  4. Step 4: Simplify right side
    31,476.48x = 788,621,635.58
  5. Step 5: Solve for x
    x = 788,621,635.58/31,476.48
  6. Step 6: Final answer
    x = 25,054.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.