Home / 53,138.32-79,485.52-37,342.24

Finding the Fourth Proportional to 53,138.32, 79,485.52 and 37,342.24

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Solution

The fourth proportional to 53,138.32, 79,485.52 and 37,342.24 is: 55,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.32 : 79,485.52 = 37,342.24 : x
  2. Step 2: Convert to fraction form
    53,138.32/79,485.52 = 37,342.24/x
  3. Step 3: Cross multiply
    53,138.32x = 79,485.52 × 37,342.24
  4. Step 4: Simplify right side
    53,138.32x = 2,968,167,364.36
  5. Step 5: Solve for x
    x = 2,968,167,364.36/53,138.32
  6. Step 6: Final answer
    x = 55,857.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.