Home / 34,768.65-47,980.47-18,853.05

Finding the Fourth Proportional to 34,768.65, 47,980.47 and 18,853.05

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Solution

The fourth proportional to 34,768.65, 47,980.47 and 18,853.05 is: 26,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,768.65 : 47,980.47 = 18,853.05 : x
  2. Step 2: Convert to fraction form
    34,768.65/47,980.47 = 18,853.05/x
  3. Step 3: Cross multiply
    34,768.65x = 47,980.47 × 18,853.05
  4. Step 4: Simplify right side
    34,768.65x = 904,578,199.93
  5. Step 5: Solve for x
    x = 904,578,199.93/34,768.65
  6. Step 6: Final answer
    x = 26,017.06

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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.