Home / 53,106.81-79,709.49-26,830.01

Finding the Fourth Proportional to 53,106.81, 79,709.49 and 26,830.01

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Solution

The fourth proportional to 53,106.81, 79,709.49 and 26,830.01 is: 40,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.81 : 79,709.49 = 26,830.01 : x
  2. Step 2: Convert to fraction form
    53,106.81/79,709.49 = 26,830.01/x
  3. Step 3: Cross multiply
    53,106.81x = 79,709.49 × 26,830.01
  4. Step 4: Simplify right side
    53,106.81x = 2,138,606,015.25
  5. Step 5: Solve for x
    x = 2,138,606,015.25/53,106.81
  6. Step 6: Final answer
    x = 40,269.90

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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.