Home / 29,050.72-40,088.40-17,111.28

Finding the Fourth Proportional to 29,050.72, 40,088.40 and 17,111.28

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Solution

The fourth proportional to 29,050.72, 40,088.40 and 17,111.28 is: 23,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,050.72 : 40,088.40 = 17,111.28 : x
  2. Step 2: Convert to fraction form
    29,050.72/40,088.40 = 17,111.28/x
  3. Step 3: Cross multiply
    29,050.72x = 40,088.40 × 17,111.28
  4. Step 4: Simplify right side
    29,050.72x = 685,963,837.15
  5. Step 5: Solve for x
    x = 685,963,837.15/29,050.72
  6. Step 6: Final answer
    x = 23,612.63

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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.