Home / 32,985.94-45,521.10-18,838.81

Finding the Fourth Proportional to 32,985.94, 45,521.10 and 18,838.81

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Solution

The fourth proportional to 32,985.94, 45,521.10 and 18,838.81 is: 25,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985.94 : 45,521.10 = 18,838.81 : x
  2. Step 2: Convert to fraction form
    32,985.94/45,521.10 = 18,838.81/x
  3. Step 3: Cross multiply
    32,985.94x = 45,521.10 × 18,838.81
  4. Step 4: Simplify right side
    32,985.94x = 857,563,353.89
  5. Step 5: Solve for x
    x = 857,563,353.89/32,985.94
  6. Step 6: Final answer
    x = 25,997.84

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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.