Home / 30,820.98-42,532.65-16,673.52

Finding the Fourth Proportional to 30,820.98, 42,532.65 and 16,673.52

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Solution

The fourth proportional to 30,820.98, 42,532.65 and 16,673.52 is: 23,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.98 : 42,532.65 = 16,673.52 : x
  2. Step 2: Convert to fraction form
    30,820.98/42,532.65 = 16,673.52/x
  3. Step 3: Cross multiply
    30,820.98x = 42,532.65 × 16,673.52
  4. Step 4: Simplify right side
    30,820.98x = 709,168,990.43
  5. Step 5: Solve for x
    x = 709,168,990.43/30,820.98
  6. Step 6: Final answer
    x = 23,009.29

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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.