Home / 30,909.60-46,354.68-17,768.16

Finding the Fourth Proportional to 30,909.60, 46,354.68 and 17,768.16

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Solution

The fourth proportional to 30,909.60, 46,354.68 and 17,768.16 is: 26,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.60 : 46,354.68 = 17,768.16 : x
  2. Step 2: Convert to fraction form
    30,909.60/46,354.68 = 17,768.16/x
  3. Step 3: Cross multiply
    30,909.60x = 46,354.68 × 17,768.16
  4. Step 4: Simplify right side
    30,909.60x = 823,637,370.99
  5. Step 5: Solve for x
    x = 823,637,370.99/30,909.60
  6. Step 6: Final answer
    x = 26,646.65

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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.