Home / 64,932.84-89,582.66-39,429.53

Finding the Fourth Proportional to 64,932.84, 89,582.66 and 39,429.53

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Solution

The fourth proportional to 64,932.84, 89,582.66 and 39,429.53 is: 54,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,932.84 : 89,582.66 = 39,429.53 : x
  2. Step 2: Convert to fraction form
    64,932.84/89,582.66 = 39,429.53/x
  3. Step 3: Cross multiply
    64,932.84x = 89,582.66 × 39,429.53
  4. Step 4: Simplify right side
    64,932.84x = 3,532,201,534.89
  5. Step 5: Solve for x
    x = 3,532,201,534.89/64,932.84
  6. Step 6: Final answer
    x = 54,397.77

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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.