Home / 52,240.55-72,090.81-28,367.01

Finding the Fourth Proportional to 52,240.55, 72,090.81 and 28,367.01

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Solution

The fourth proportional to 52,240.55, 72,090.81 and 28,367.01 is: 39,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,240.55 : 72,090.81 = 28,367.01 : x
  2. Step 2: Convert to fraction form
    52,240.55/72,090.81 = 28,367.01/x
  3. Step 3: Cross multiply
    52,240.55x = 72,090.81 × 28,367.01
  4. Step 4: Simplify right side
    52,240.55x = 2,045,000,728.18
  5. Step 5: Solve for x
    x = 2,045,000,728.18/52,240.55
  6. Step 6: Final answer
    x = 39,145.85

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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.