Home / 34,887.63-48,128.01-20,730.45

Finding the Fourth Proportional to 34,887.63, 48,128.01 and 20,730.45

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Solution

The fourth proportional to 34,887.63, 48,128.01 and 20,730.45 is: 28,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.63 : 48,128.01 = 20,730.45 : x
  2. Step 2: Convert to fraction form
    34,887.63/48,128.01 = 20,730.45/x
  3. Step 3: Cross multiply
    34,887.63x = 48,128.01 × 20,730.45
  4. Step 4: Simplify right side
    34,887.63x = 997,715,304.90
  5. Step 5: Solve for x
    x = 997,715,304.90/34,887.63
  6. Step 6: Final answer
    x = 28,597.97

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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.