Home / 30,764.48-42,455.01-16,617.33

Finding the Fourth Proportional to 30,764.48, 42,455.01 and 16,617.33

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Solution

The fourth proportional to 30,764.48, 42,455.01 and 16,617.33 is: 22,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.48 : 42,455.01 = 16,617.33 : x
  2. Step 2: Convert to fraction form
    30,764.48/42,455.01 = 16,617.33/x
  3. Step 3: Cross multiply
    30,764.48x = 42,455.01 × 16,617.33
  4. Step 4: Simplify right side
    30,764.48x = 705,488,699.05
  5. Step 5: Solve for x
    x = 705,488,699.05/30,764.48
  6. Step 6: Final answer
    x = 22,931.92

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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.