Home / 45,686.45-63,064.47-34,388.63

Finding the Fourth Proportional to 45,686.45, 63,064.47 and 34,388.63

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Solution

The fourth proportional to 45,686.45, 63,064.47 and 34,388.63 is: 47,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.45 : 63,064.47 = 34,388.63 : x
  2. Step 2: Convert to fraction form
    45,686.45/63,064.47 = 34,388.63/x
  3. Step 3: Cross multiply
    45,686.45x = 63,064.47 × 34,388.63
  4. Step 4: Simplify right side
    45,686.45x = 2,168,700,409.65
  5. Step 5: Solve for x
    x = 2,168,700,409.65/45,686.45
  6. Step 6: Final answer
    x = 47,469.23

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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.