Home / 39,831.52-59,756.28-13,177.44

Finding the Fourth Proportional to 39,831.52, 59,756.28 and 13,177.44

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Solution

The fourth proportional to 39,831.52, 59,756.28 and 13,177.44 is: 19,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.52 : 59,756.28 = 13,177.44 : x
  2. Step 2: Convert to fraction form
    39,831.52/59,756.28 = 13,177.44/x
  3. Step 3: Cross multiply
    39,831.52x = 59,756.28 × 13,177.44
  4. Step 4: Simplify right side
    39,831.52x = 787,434,968.99
  5. Step 5: Solve for x
    x = 787,434,968.99/39,831.52
  6. Step 6: Final answer
    x = 19,769.14

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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.