Home / 30,864.96-42,593.63-16,717.77

Finding the Fourth Proportional to 30,864.96, 42,593.63 and 16,717.77

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Solution

The fourth proportional to 30,864.96, 42,593.63 and 16,717.77 is: 23,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.96 : 42,593.63 = 16,717.77 : x
  2. Step 2: Convert to fraction form
    30,864.96/42,593.63 = 16,717.77/x
  3. Step 3: Cross multiply
    30,864.96x = 42,593.63 × 16,717.77
  4. Step 4: Simplify right side
    30,864.96x = 712,070,426.22
  5. Step 5: Solve for x
    x = 712,070,426.22/30,864.96
  6. Step 6: Final answer
    x = 23,070.51

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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.