Home / 34,653.60-47,831.04-20,510.64

Finding the Fourth Proportional to 34,653.60, 47,831.04 and 20,510.64

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Solution

The fourth proportional to 34,653.60, 47,831.04 and 20,510.64 is: 28,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,653.60 : 47,831.04 = 20,510.64 : x
  2. Step 2: Convert to fraction form
    34,653.60/47,831.04 = 20,510.64/x
  3. Step 3: Cross multiply
    34,653.60x = 47,831.04 × 20,510.64
  4. Step 4: Simplify right side
    34,653.60x = 981,045,242.27
  5. Step 5: Solve for x
    x = 981,045,242.27/34,653.60
  6. Step 6: Final answer
    x = 28,310.05

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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.