Home / 64,900.46-97,342.32-20,531.77

Finding the Fourth Proportional to 64,900.46, 97,342.32 and 20,531.77

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Solution

The fourth proportional to 64,900.46, 97,342.32 and 20,531.77 is: 30,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,900.46 : 97,342.32 = 20,531.77 : x
  2. Step 2: Convert to fraction form
    64,900.46/97,342.32 = 20,531.77/x
  3. Step 3: Cross multiply
    64,900.46x = 97,342.32 × 20,531.77
  4. Step 4: Simplify right side
    64,900.46x = 1,998,610,125.51
  5. Step 5: Solve for x
    x = 1,998,610,125.51/64,900.46
  6. Step 6: Final answer
    x = 30,795.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.