Home / 64,582.06-89,120.45-35,901.65

Finding the Fourth Proportional to 64,582.06, 89,120.45 and 35,901.65

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Solution

The fourth proportional to 64,582.06, 89,120.45 and 35,901.65 is: 49,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582.06 : 89,120.45 = 35,901.65 : x
  2. Step 2: Convert to fraction form
    64,582.06/89,120.45 = 35,901.65/x
  3. Step 3: Cross multiply
    64,582.06x = 89,120.45 × 35,901.65
  4. Step 4: Simplify right side
    64,582.06x = 3,199,571,024.23
  5. Step 5: Solve for x
    x = 3,199,571,024.23/64,582.06
  6. Step 6: Final answer
    x = 49,542.73

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1.5x scale

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.