Home / 30,833.07-42,549.65-16,685.93

Finding the Fourth Proportional to 30,833.07, 42,549.65 and 16,685.93

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Solution

The fourth proportional to 30,833.07, 42,549.65 and 16,685.93 is: 23,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.07 : 42,549.65 = 16,685.93 : x
  2. Step 2: Convert to fraction form
    30,833.07/42,549.65 = 16,685.93/x
  3. Step 3: Cross multiply
    30,833.07x = 42,549.65 × 16,685.93
  4. Step 4: Simplify right side
    30,833.07x = 709,980,185.25
  5. Step 5: Solve for x
    x = 709,980,185.25/30,833.07
  6. Step 6: Final answer
    x = 23,026.58

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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.