Home / 51,783.65-71,455.63-29,122.16

Finding the Fourth Proportional to 51,783.65, 71,455.63 and 29,122.16

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Solution

The fourth proportional to 51,783.65, 71,455.63 and 29,122.16 is: 40,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,783.65 : 71,455.63 = 29,122.16 : x
  2. Step 2: Convert to fraction form
    51,783.65/71,455.63 = 29,122.16/x
  3. Step 3: Cross multiply
    51,783.65x = 71,455.63 × 29,122.16
  4. Step 4: Simplify right side
    51,783.65x = 2,080,942,253.57
  5. Step 5: Solve for x
    x = 2,080,942,253.57/51,783.65
  6. Step 6: Final answer
    x = 40,185.31

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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.