Home / 64,830.88-89,464.36-37,972.81

Finding the Fourth Proportional to 64,830.88, 89,464.36 and 37,972.81

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Solution

The fourth proportional to 64,830.88, 89,464.36 and 37,972.81 is: 52,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.88 : 89,464.36 = 37,972.81 : x
  2. Step 2: Convert to fraction form
    64,830.88/89,464.36 = 37,972.81/x
  3. Step 3: Cross multiply
    64,830.88x = 89,464.36 × 37,972.81
  4. Step 4: Simplify right side
    64,830.88x = 3,397,213,411.36
  5. Step 5: Solve for x
    x = 3,397,213,411.36/64,830.88
  6. Step 6: Final answer
    x = 52,401.16

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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.