Home / 64,580.04-89,121.51-35,509.63

Finding the Fourth Proportional to 64,580.04, 89,121.51 and 35,509.63

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Solution

The fourth proportional to 64,580.04, 89,121.51 and 35,509.63 is: 49,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,580.04 : 89,121.51 = 35,509.63 : x
  2. Step 2: Convert to fraction form
    64,580.04/89,121.51 = 35,509.63/x
  3. Step 3: Cross multiply
    64,580.04x = 89,121.51 × 35,509.63
  4. Step 4: Simplify right side
    64,580.04x = 3,164,671,789.44
  5. Step 5: Solve for x
    x = 3,164,671,789.44/64,580.04
  6. Step 6: Final answer
    x = 49,003.87

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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.