Home / 65,928.28-90,984.72-37,639.84

Finding the Fourth Proportional to 65,928.28, 90,984.72 and 37,639.84

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Solution

The fourth proportional to 65,928.28, 90,984.72 and 37,639.84 is: 51,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928.28 : 90,984.72 = 37,639.84 : x
  2. Step 2: Convert to fraction form
    65,928.28/90,984.72 = 37,639.84/x
  3. Step 3: Cross multiply
    65,928.28x = 90,984.72 × 37,639.84
  4. Step 4: Simplify right side
    65,928.28x = 3,424,650,303.24
  5. Step 5: Solve for x
    x = 3,424,650,303.24/65,928.28
  6. Step 6: Final answer
    x = 51,945.09

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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.