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Finding the Fourth Proportional to 53,133.36, 79,731.64 and 26,840.76

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Solution

The fourth proportional to 53,133.36, 79,731.64 and 26,840.76 is: 40,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.36 : 79,731.64 = 26,840.76 : x
  2. Step 2: Convert to fraction form
    53,133.36/79,731.64 = 26,840.76/x
  3. Step 3: Cross multiply
    53,133.36x = 79,731.64 × 26,840.76
  4. Step 4: Simplify right side
    53,133.36x = 2,140,057,813.65
  5. Step 5: Solve for x
    x = 2,140,057,813.65/53,133.36
  6. Step 6: Final answer
    x = 40,277.10

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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.