Home / 52,271.30-72,133.44-28,397.72

Finding the Fourth Proportional to 52,271.30, 72,133.44 and 28,397.72

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Solution

The fourth proportional to 52,271.30, 72,133.44 and 28,397.72 is: 39,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,271.30 : 72,133.44 = 28,397.72 : x
  2. Step 2: Convert to fraction form
    52,271.30/72,133.44 = 28,397.72/x
  3. Step 3: Cross multiply
    52,271.30x = 72,133.44 × 28,397.72
  4. Step 4: Simplify right side
    52,271.30x = 2,048,425,231.76
  5. Step 5: Solve for x
    x = 2,048,425,231.76/52,271.30
  6. Step 6: Final answer
    x = 39,188.34

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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.