Home / 53,271.51-79,831.11-39,120.54

Finding the Fourth Proportional to 53,271.51, 79,831.11 and 39,120.54

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Solution

The fourth proportional to 53,271.51, 79,831.11 and 39,120.54 is: 58,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.51 : 79,831.11 = 39,120.54 : x
  2. Step 2: Convert to fraction form
    53,271.51/79,831.11 = 39,120.54/x
  3. Step 3: Cross multiply
    53,271.51x = 79,831.11 × 39,120.54
  4. Step 4: Simplify right side
    53,271.51x = 3,123,036,132.00
  5. Step 5: Solve for x
    x = 3,123,036,132.00/53,271.51
  6. Step 6: Final answer
    x = 58,624.88

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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.