Home / 45,931.04-68,831.76-19,626.56

Finding the Fourth Proportional to 45,931.04, 68,831.76 and 19,626.56

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Solution

The fourth proportional to 45,931.04, 68,831.76 and 19,626.56 is: 29,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.04 : 68,831.76 = 19,626.56 : x
  2. Step 2: Convert to fraction form
    45,931.04/68,831.76 = 19,626.56/x
  3. Step 3: Cross multiply
    45,931.04x = 68,831.76 × 19,626.56
  4. Step 4: Simplify right side
    45,931.04x = 1,350,930,667.55
  5. Step 5: Solve for x
    x = 1,350,930,667.55/45,931.04
  6. Step 6: Final answer
    x = 29,412.15

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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.