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Finding the Fourth Proportional to 34,406.51, 47,477.95 and 19,300.01

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Solution

The fourth proportional to 34,406.51, 47,477.95 and 19,300.01 is: 26,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,406.51 : 47,477.95 = 19,300.01 : x
  2. Step 2: Convert to fraction form
    34,406.51/47,477.95 = 19,300.01/x
  3. Step 3: Cross multiply
    34,406.51x = 47,477.95 × 19,300.01
  4. Step 4: Simplify right side
    34,406.51x = 916,324,624.14
  5. Step 5: Solve for x
    x = 916,324,624.14/34,406.51
  6. Step 6: Final answer
    x = 26,632.31

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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.