Home / 30,934.04-42,677.01-17,502.21

Finding the Fourth Proportional to 30,934.04, 42,677.01 and 17,502.21

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Solution

The fourth proportional to 30,934.04, 42,677.01 and 17,502.21 is: 24,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,934.04 : 42,677.01 = 17,502.21 : x
  2. Step 2: Convert to fraction form
    30,934.04/42,677.01 = 17,502.21/x
  3. Step 3: Cross multiply
    30,934.04x = 42,677.01 × 17,502.21
  4. Step 4: Simplify right side
    30,934.04x = 746,941,991.19
  5. Step 5: Solve for x
    x = 746,941,991.19/30,934.04
  6. Step 6: Final answer
    x = 24,146.28

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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.