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Finding the Fourth Proportional to 52,516.36, 78,739.71 and 27,526.24

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Solution

The fourth proportional to 52,516.36, 78,739.71 and 27,526.24 is: 41,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.36 : 78,739.71 = 27,526.24 : x
  2. Step 2: Convert to fraction form
    52,516.36/78,739.71 = 27,526.24/x
  3. Step 3: Cross multiply
    52,516.36x = 78,739.71 × 27,526.24
  4. Step 4: Simplify right side
    52,516.36x = 2,167,408,154.99
  5. Step 5: Solve for x
    x = 2,167,408,154.99/52,516.36
  6. Step 6: Final answer
    x = 41,271.10

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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.