Home / 53,311.81-79,559.69-47,625.63

Finding the Fourth Proportional to 53,311.81, 79,559.69 and 47,625.63

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Solution

The fourth proportional to 53,311.81, 79,559.69 and 47,625.63 is: 71,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.81 : 79,559.69 = 47,625.63 : x
  2. Step 2: Convert to fraction form
    53,311.81/79,559.69 = 47,625.63/x
  3. Step 3: Cross multiply
    53,311.81x = 79,559.69 × 47,625.63
  4. Step 4: Simplify right side
    53,311.81x = 3,789,080,358.85
  5. Step 5: Solve for x
    x = 3,789,080,358.85/53,311.81
  6. Step 6: Final answer
    x = 71,073.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.