Home / 45,709.65-63,106.56-28,728.27

Finding the Fourth Proportional to 45,709.65, 63,106.56 and 28,728.27

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Solution

The fourth proportional to 45,709.65, 63,106.56 and 28,728.27 is: 39,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,709.65 : 63,106.56 = 28,728.27 : x
  2. Step 2: Convert to fraction form
    45,709.65/63,106.56 = 28,728.27/x
  3. Step 3: Cross multiply
    45,709.65x = 63,106.56 × 28,728.27
  4. Step 4: Simplify right side
    45,709.65x = 1,812,942,294.45
  5. Step 5: Solve for x
    x = 1,812,942,294.45/45,709.65
  6. Step 6: Final answer
    x = 39,662.13

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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.