Home / 64,243.07-96,474.86-39,428.83

Finding the Fourth Proportional to 64,243.07, 96,474.86 and 39,428.83

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Solution

The fourth proportional to 64,243.07, 96,474.86 and 39,428.83 is: 59,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.07 : 96,474.86 = 39,428.83 : x
  2. Step 2: Convert to fraction form
    64,243.07/96,474.86 = 39,428.83/x
  3. Step 3: Cross multiply
    64,243.07x = 96,474.86 × 39,428.83
  4. Step 4: Simplify right side
    64,243.07x = 3,803,890,854.21
  5. Step 5: Solve for x
    x = 3,803,890,854.21/64,243.07
  6. Step 6: Final answer
    x = 59,210.91

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1.5x scale

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.