Home / 64,510.11-89,020.91-35,831.62

Finding the Fourth Proportional to 64,510.11, 89,020.91 and 35,831.62

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Solution

The fourth proportional to 64,510.11, 89,020.91 and 35,831.62 is: 49,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,510.11 : 89,020.91 = 35,831.62 : x
  2. Step 2: Convert to fraction form
    64,510.11/89,020.91 = 35,831.62/x
  3. Step 3: Cross multiply
    64,510.11x = 89,020.91 × 35,831.62
  4. Step 4: Simplify right side
    64,510.11x = 3,189,762,917.73
  5. Step 5: Solve for x
    x = 3,189,762,917.73/64,510.11
  6. Step 6: Final answer
    x = 49,445.94

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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.