Home / 30,864.81-42,593.65-16,717.66

Finding the Fourth Proportional to 30,864.81, 42,593.65 and 16,717.66

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Solution

The fourth proportional to 30,864.81, 42,593.65 and 16,717.66 is: 23,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.81 : 42,593.65 = 16,717.66 : x
  2. Step 2: Convert to fraction form
    30,864.81/42,593.65 = 16,717.66/x
  3. Step 3: Cross multiply
    30,864.81x = 42,593.65 × 16,717.66
  4. Step 4: Simplify right side
    30,864.81x = 712,066,010.58
  5. Step 5: Solve for x
    x = 712,066,010.58/30,864.81
  6. Step 6: Final answer
    x = 23,070.48

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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.