Home / 34,768.96-47,980.80-18,853.12

Finding the Fourth Proportional to 34,768.96, 47,980.80 and 18,853.12

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Solution

The fourth proportional to 34,768.96, 47,980.80 and 18,853.12 is: 26,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,768.96 : 47,980.80 = 18,853.12 : x
  2. Step 2: Convert to fraction form
    34,768.96/47,980.80 = 18,853.12/x
  3. Step 3: Cross multiply
    34,768.96x = 47,980.80 × 18,853.12
  4. Step 4: Simplify right side
    34,768.96x = 904,587,780.10
  5. Step 5: Solve for x
    x = 904,587,780.10/34,768.96
  6. Step 6: Final answer
    x = 26,017.11

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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.