Home / 29,038.79-40,081.36-18,967.01

Finding the Fourth Proportional to 29,038.79, 40,081.36 and 18,967.01

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Solution

The fourth proportional to 29,038.79, 40,081.36 and 18,967.01 is: 26,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,038.79 : 40,081.36 = 18,967.01 : x
  2. Step 2: Convert to fraction form
    29,038.79/40,081.36 = 18,967.01/x
  3. Step 3: Cross multiply
    29,038.79x = 40,081.36 × 18,967.01
  4. Step 4: Simplify right side
    29,038.79x = 760,223,608.72
  5. Step 5: Solve for x
    x = 760,223,608.72/29,038.79
  6. Step 6: Final answer
    x = 26,179.59

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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.