Home / 30,851.04-42,574.46-16,703.88

Finding the Fourth Proportional to 30,851.04, 42,574.46 and 16,703.88

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Solution

The fourth proportional to 30,851.04, 42,574.46 and 16,703.88 is: 23,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.04 : 42,574.46 = 16,703.88 : x
  2. Step 2: Convert to fraction form
    30,851.04/42,574.46 = 16,703.88/x
  3. Step 3: Cross multiply
    30,851.04x = 42,574.46 × 16,703.88
  4. Step 4: Simplify right side
    30,851.04x = 711,158,670.90
  5. Step 5: Solve for x
    x = 711,158,670.90/30,851.04
  6. Step 6: Final answer
    x = 23,051.37

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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.