Home / 47,089.36-64,980.12-25,869.52

Finding the Fourth Proportional to 47,089.36, 64,980.12 and 25,869.52

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Solution

The fourth proportional to 47,089.36, 64,980.12 and 25,869.52 is: 35,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,089.36 : 64,980.12 = 25,869.52 : x
  2. Step 2: Convert to fraction form
    47,089.36/64,980.12 = 25,869.52/x
  3. Step 3: Cross multiply
    47,089.36x = 64,980.12 × 25,869.52
  4. Step 4: Simplify right side
    47,089.36x = 1,681,004,513.94
  5. Step 5: Solve for x
    x = 1,681,004,513.94/47,089.36
  6. Step 6: Final answer
    x = 35,698.18

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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.