Home / 29,159.79-40,219.77-19,464.35

Finding the Fourth Proportional to 29,159.79, 40,219.77 and 19,464.35

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Solution

The fourth proportional to 29,159.79, 40,219.77 and 19,464.35 is: 26,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.79 : 40,219.77 = 19,464.35 : x
  2. Step 2: Convert to fraction form
    29,159.79/40,219.77 = 19,464.35/x
  3. Step 3: Cross multiply
    29,159.79x = 40,219.77 × 19,464.35
  4. Step 4: Simplify right side
    29,159.79x = 782,851,728.86
  5. Step 5: Solve for x
    x = 782,851,728.86/29,159.79
  6. Step 6: Final answer
    x = 26,846.97

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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.