Home / 34,886.63-48,126.63-20,729.45

Finding the Fourth Proportional to 34,886.63, 48,126.63 and 20,729.45

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Solution

The fourth proportional to 34,886.63, 48,126.63 and 20,729.45 is: 28,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.63 : 48,126.63 = 20,729.45 : x
  2. Step 2: Convert to fraction form
    34,886.63/48,126.63 = 20,729.45/x
  3. Step 3: Cross multiply
    34,886.63x = 48,126.63 × 20,729.45
  4. Step 4: Simplify right side
    34,886.63x = 997,638,570.25
  5. Step 5: Solve for x
    x = 997,638,570.25/34,886.63
  6. Step 6: Final answer
    x = 28,596.59

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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.