Home / 29,068.79-40,122.59-17,140.07

Finding the Fourth Proportional to 29,068.79, 40,122.59 and 17,140.07

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Solution

The fourth proportional to 29,068.79, 40,122.59 and 17,140.07 is: 23,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,068.79 : 40,122.59 = 17,140.07 : x
  2. Step 2: Convert to fraction form
    29,068.79/40,122.59 = 17,140.07/x
  3. Step 3: Cross multiply
    29,068.79x = 40,122.59 × 17,140.07
  4. Step 4: Simplify right side
    29,068.79x = 687,703,714.87
  5. Step 5: Solve for x
    x = 687,703,714.87/29,068.79
  6. Step 6: Final answer
    x = 23,657.81

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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.