Home / 39,070.28-58,636.84-20,355.91

Finding the Fourth Proportional to 39,070.28, 58,636.84 and 20,355.91

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Solution

The fourth proportional to 39,070.28, 58,636.84 and 20,355.91 is: 30,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070.28 : 58,636.84 = 20,355.91 : x
  2. Step 2: Convert to fraction form
    39,070.28/58,636.84 = 20,355.91/x
  3. Step 3: Cross multiply
    39,070.28x = 58,636.84 × 20,355.91
  4. Step 4: Simplify right side
    39,070.28x = 1,193,606,237.72
  5. Step 5: Solve for x
    x = 1,193,606,237.72/39,070.28
  6. Step 6: Final answer
    x = 30,550.24

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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.