Home / 53,303.58-79,947.27-31,968.18

Finding the Fourth Proportional to 53,303.58, 79,947.27 and 31,968.18

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Solution

The fourth proportional to 53,303.58, 79,947.27 and 31,968.18 is: 47,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,303.58 : 79,947.27 = 31,968.18 : x
  2. Step 2: Convert to fraction form
    53,303.58/79,947.27 = 31,968.18/x
  3. Step 3: Cross multiply
    53,303.58x = 79,947.27 × 31,968.18
  4. Step 4: Simplify right side
    53,303.58x = 2,555,768,717.87
  5. Step 5: Solve for x
    x = 2,555,768,717.87/53,303.58
  6. Step 6: Final answer
    x = 47,947.41

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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.