Home / 30,748.07-42,343.00-26,713.05

Finding the Fourth Proportional to 30,748.07, 42,343.00 and 26,713.05

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Solution

The fourth proportional to 30,748.07, 42,343.00 and 26,713.05 is: 36,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.07 : 42,343.00 = 26,713.05 : x
  2. Step 2: Convert to fraction form
    30,748.07/42,343.00 = 26,713.05/x
  3. Step 3: Cross multiply
    30,748.07x = 42,343.00 × 26,713.05
  4. Step 4: Simplify right side
    30,748.07x = 1,131,110,609.37
  5. Step 5: Solve for x
    x = 1,131,110,609.37/30,748.07
  6. Step 6: Final answer
    x = 36,786.40

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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.