Home / 46,779.86-70,122.49-20,143.22

Finding the Fourth Proportional to 46,779.86, 70,122.49 and 20,143.22

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Solution

The fourth proportional to 46,779.86, 70,122.49 and 20,143.22 is: 30,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,779.86 : 70,122.49 = 20,143.22 : x
  2. Step 2: Convert to fraction form
    46,779.86/70,122.49 = 20,143.22/x
  3. Step 3: Cross multiply
    46,779.86x = 70,122.49 × 20,143.22
  4. Step 4: Simplify right side
    46,779.86x = 1,412,492,743.02
  5. Step 5: Solve for x
    x = 1,412,492,743.02/46,779.86
  6. Step 6: Final answer
    x = 30,194.46

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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.