Home / 46,932.74-70,408.28-20,637.40

Finding the Fourth Proportional to 46,932.74, 70,408.28 and 20,637.40

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Solution

The fourth proportional to 46,932.74, 70,408.28 and 20,637.40 is: 30,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,932.74 : 70,408.28 = 20,637.40 : x
  2. Step 2: Convert to fraction form
    46,932.74/70,408.28 = 20,637.40/x
  3. Step 3: Cross multiply
    46,932.74x = 70,408.28 × 20,637.40
  4. Step 4: Simplify right side
    46,932.74x = 1,453,043,837.67
  5. Step 5: Solve for x
    x = 1,453,043,837.67/46,932.74
  6. Step 6: Final answer
    x = 30,960.13

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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.