Home / 30,847.66-42,569.97-16,700.50

Finding the Fourth Proportional to 30,847.66, 42,569.97 and 16,700.50

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Solution

The fourth proportional to 30,847.66, 42,569.97 and 16,700.50 is: 23,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.66 : 42,569.97 = 16,700.50 : x
  2. Step 2: Convert to fraction form
    30,847.66/42,569.97 = 16,700.50/x
  3. Step 3: Cross multiply
    30,847.66x = 42,569.97 × 16,700.50
  4. Step 4: Simplify right side
    30,847.66x = 710,939,868.51
  5. Step 5: Solve for x
    x = 710,939,868.51/30,847.66
  6. Step 6: Final answer
    x = 23,046.80

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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.