Home / 47,384.24-71,015.01-19,271.63

Finding the Fourth Proportional to 47,384.24, 71,015.01 and 19,271.63

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Solution

The fourth proportional to 47,384.24, 71,015.01 and 19,271.63 is: 28,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,384.24 : 71,015.01 = 19,271.63 : x
  2. Step 2: Convert to fraction form
    47,384.24/71,015.01 = 19,271.63/x
  3. Step 3: Cross multiply
    47,384.24x = 71,015.01 × 19,271.63
  4. Step 4: Simplify right side
    47,384.24x = 1,368,575,295.74
  5. Step 5: Solve for x
    x = 1,368,575,295.74/47,384.24
  6. Step 6: Final answer
    x = 28,882.50

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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.