Home / 39,220.20-58,830.30-38,831.40

Finding the Fourth Proportional to 39,220.20, 58,830.30 and 38,831.40

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Solution

The fourth proportional to 39,220.20, 58,830.30 and 38,831.40 is: 58,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.20 : 58,830.30 = 38,831.40 : x
  2. Step 2: Convert to fraction form
    39,220.20/58,830.30 = 38,831.40/x
  3. Step 3: Cross multiply
    39,220.20x = 58,830.30 × 38,831.40
  4. Step 4: Simplify right side
    39,220.20x = 2,284,462,911.42
  5. Step 5: Solve for x
    x = 2,284,462,911.42/39,220.20
  6. Step 6: Final answer
    x = 58,247.10

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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.