Home / 30,923.36-42,674.28-16,776.24

Finding the Fourth Proportional to 30,923.36, 42,674.28 and 16,776.24

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Solution

The fourth proportional to 30,923.36, 42,674.28 and 16,776.24 is: 23,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.36 : 42,674.28 = 16,776.24 : x
  2. Step 2: Convert to fraction form
    30,923.36/42,674.28 = 16,776.24/x
  3. Step 3: Cross multiply
    30,923.36x = 42,674.28 × 16,776.24
  4. Step 4: Simplify right side
    30,923.36x = 715,913,963.11
  5. Step 5: Solve for x
    x = 715,913,963.11/30,923.36
  6. Step 6: Final answer
    x = 23,151.23

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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.