Home / 46,402.08-69,615.36-20,100.72

Finding the Fourth Proportional to 46,402.08, 69,615.36 and 20,100.72

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Solution

The fourth proportional to 46,402.08, 69,615.36 and 20,100.72 is: 30,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,402.08 : 69,615.36 = 20,100.72 : x
  2. Step 2: Convert to fraction form
    46,402.08/69,615.36 = 20,100.72/x
  3. Step 3: Cross multiply
    46,402.08x = 69,615.36 × 20,100.72
  4. Step 4: Simplify right side
    46,402.08x = 1,399,318,859.06
  5. Step 5: Solve for x
    x = 1,399,318,859.06/46,402.08
  6. Step 6: Final answer
    x = 30,156.38

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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.