Home / 64,824.80-89,480.36-37,975.84

Finding the Fourth Proportional to 64,824.80, 89,480.36 and 37,975.84

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Solution

The fourth proportional to 64,824.80, 89,480.36 and 37,975.84 is: 52,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,824.80 : 89,480.36 = 37,975.84 : x
  2. Step 2: Convert to fraction form
    64,824.80/89,480.36 = 37,975.84/x
  3. Step 3: Cross multiply
    64,824.80x = 89,480.36 × 37,975.84
  4. Step 4: Simplify right side
    64,824.80x = 3,398,091,834.50
  5. Step 5: Solve for x
    x = 3,398,091,834.50/64,824.80
  6. Step 6: Final answer
    x = 52,419.63

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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.