Home / 30,508.99-42,097.98-17,077.77

Finding the Fourth Proportional to 30,508.99, 42,097.98 and 17,077.77

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Solution

The fourth proportional to 30,508.99, 42,097.98 and 17,077.77 is: 23,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.99 : 42,097.98 = 17,077.77 : x
  2. Step 2: Convert to fraction form
    30,508.99/42,097.98 = 17,077.77/x
  3. Step 3: Cross multiply
    30,508.99x = 42,097.98 × 17,077.77
  4. Step 4: Simplify right side
    30,508.99x = 718,939,619.90
  5. Step 5: Solve for x
    x = 718,939,619.90/30,508.99
  6. Step 6: Final answer
    x = 23,564.84

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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.