Home / 51,395.76-70,923.36-28,735.68

Finding the Fourth Proportional to 51,395.76, 70,923.36 and 28,735.68

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Solution

The fourth proportional to 51,395.76, 70,923.36 and 28,735.68 is: 39,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,395.76 : 70,923.36 = 28,735.68 : x
  2. Step 2: Convert to fraction form
    51,395.76/70,923.36 = 28,735.68/x
  3. Step 3: Cross multiply
    51,395.76x = 70,923.36 × 28,735.68
  4. Step 4: Simplify right side
    51,395.76x = 2,038,030,977.48
  5. Step 5: Solve for x
    x = 2,038,030,977.48/51,395.76
  6. Step 6: Final answer
    x = 39,653.68

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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.