Home / 64,828.15-89,461.36-36,147.77

Finding the Fourth Proportional to 64,828.15, 89,461.36 and 36,147.77

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Solution

The fourth proportional to 64,828.15, 89,461.36 and 36,147.77 is: 49,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828.15 : 89,461.36 = 36,147.77 : x
  2. Step 2: Convert to fraction form
    64,828.15/89,461.36 = 36,147.77/x
  3. Step 3: Cross multiply
    64,828.15x = 89,461.36 × 36,147.77
  4. Step 4: Simplify right side
    64,828.15x = 3,233,828,598.53
  5. Step 5: Solve for x
    x = 3,233,828,598.53/64,828.15
  6. Step 6: Final answer
    x = 49,883.09

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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.