Home / 34,720.57-47,914.85-19,406.51

Finding the Fourth Proportional to 34,720.57, 47,914.85 and 19,406.51

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Solution

The fourth proportional to 34,720.57, 47,914.85 and 19,406.51 is: 26,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.57 : 47,914.85 = 19,406.51 : x
  2. Step 2: Convert to fraction form
    34,720.57/47,914.85 = 19,406.51/x
  3. Step 3: Cross multiply
    34,720.57x = 47,914.85 × 19,406.51
  4. Step 4: Simplify right side
    34,720.57x = 929,860,015.67
  5. Step 5: Solve for x
    x = 929,860,015.67/34,720.57
  6. Step 6: Final answer
    x = 26,781.24

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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.