Home / 47,064.68-70,581.36-18,977.48

Finding the Fourth Proportional to 47,064.68, 70,581.36 and 18,977.48

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Solution

The fourth proportional to 47,064.68, 70,581.36 and 18,977.48 is: 28,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,064.68 : 70,581.36 = 18,977.48 : x
  2. Step 2: Convert to fraction form
    47,064.68/70,581.36 = 18,977.48/x
  3. Step 3: Cross multiply
    47,064.68x = 70,581.36 × 18,977.48
  4. Step 4: Simplify right side
    47,064.68x = 1,339,456,347.77
  5. Step 5: Solve for x
    x = 1,339,456,347.77/47,064.68
  6. Step 6: Final answer
    x = 28,459.91

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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.