Home / 38,981.40-58,475.80-10,901.46

Finding the Fourth Proportional to 38,981.40, 58,475.80 and 10,901.46

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Solution

The fourth proportional to 38,981.40, 58,475.80 and 10,901.46 is: 16,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.40 : 58,475.80 = 10,901.46 : x
  2. Step 2: Convert to fraction form
    38,981.40/58,475.80 = 10,901.46/x
  3. Step 3: Cross multiply
    38,981.40x = 58,475.80 × 10,901.46
  4. Step 4: Simplify right side
    38,981.40x = 637,471,594.67
  5. Step 5: Solve for x
    x = 637,471,594.67/38,981.40
  6. Step 6: Final answer
    x = 16,353.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.