Home / 55,533.99-76,635-31,668.35

Finding the Fourth Proportional to 55,533.99, 76,635 and 31,668.35

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Solution

The fourth proportional to 55,533.99, 76,635 and 31,668.35 is: 43,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.99 : 76,635 = 31,668.35 : x
  2. Step 2: Convert to fraction form
    55,533.99/76,635 = 31,668.35/x
  3. Step 3: Cross multiply
    55,533.99x = 76,635 × 31,668.35
  4. Step 4: Simplify right side
    55,533.99x = 2,426,903,619.08
  5. Step 5: Solve for x
    x = 2,426,903,619.08/55,533.99
  6. Step 6: Final answer
    x = 43,701.23

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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.