Home / 52,100.01-78,133.55-18,815.63

Finding the Fourth Proportional to 52,100.01, 78,133.55 and 18,815.63

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Solution

The fourth proportional to 52,100.01, 78,133.55 and 18,815.63 is: 28,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,100.01 : 78,133.55 = 18,815.63 : x
  2. Step 2: Convert to fraction form
    52,100.01/78,133.55 = 18,815.63/x
  3. Step 3: Cross multiply
    52,100.01x = 78,133.55 × 18,815.63
  4. Step 4: Simplify right side
    52,100.01x = 1,470,131,482.64
  5. Step 5: Solve for x
    x = 1,470,131,482.64/52,100.01
  6. Step 6: Final answer
    x = 28,217.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.