Home / 31,041.18-42,835.50-16,894.08

Finding the Fourth Proportional to 31,041.18, 42,835.50 and 16,894.08

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Solution

The fourth proportional to 31,041.18, 42,835.50 and 16,894.08 is: 23,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041.18 : 42,835.50 = 16,894.08 : x
  2. Step 2: Convert to fraction form
    31,041.18/42,835.50 = 16,894.08/x
  3. Step 3: Cross multiply
    31,041.18x = 42,835.50 × 16,894.08
  4. Step 4: Simplify right side
    31,041.18x = 723,666,363.84
  5. Step 5: Solve for x
    x = 723,666,363.84/31,041.18
  6. Step 6: Final answer
    x = 23,313.11

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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.