Home / 29,531.07-40,748.94-18,935.10

Finding the Fourth Proportional to 29,531.07, 40,748.94 and 18,935.10

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Solution

The fourth proportional to 29,531.07, 40,748.94 and 18,935.10 is: 26,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.07 : 40,748.94 = 18,935.10 : x
  2. Step 2: Convert to fraction form
    29,531.07/40,748.94 = 18,935.10/x
  3. Step 3: Cross multiply
    29,531.07x = 40,748.94 × 18,935.10
  4. Step 4: Simplify right side
    29,531.07x = 771,585,253.79
  5. Step 5: Solve for x
    x = 771,585,253.79/29,531.07
  6. Step 6: Final answer
    x = 26,127.91

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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.