Home / 64,288.08-88,759.80-39,180.24

Finding the Fourth Proportional to 64,288.08, 88,759.80 and 39,180.24

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Solution

The fourth proportional to 64,288.08, 88,759.80 and 39,180.24 is: 54,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,288.08 : 88,759.80 = 39,180.24 : x
  2. Step 2: Convert to fraction form
    64,288.08/88,759.80 = 39,180.24/x
  3. Step 3: Cross multiply
    64,288.08x = 88,759.80 × 39,180.24
  4. Step 4: Simplify right side
    64,288.08x = 3,477,630,266.35
  5. Step 5: Solve for x
    x = 3,477,630,266.35/64,288.08
  6. Step 6: Final answer
    x = 54,094.48

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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.