Home / 84,983.40-127,483.43-30,962.77

Finding the Fourth Proportional to 84,983.40, 127,483.43 and 30,962.77

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Solution

The fourth proportional to 84,983.40, 127,483.43 and 30,962.77 is: 46,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,983.40 : 127,483.43 = 30,962.77 : x
  2. Step 2: Convert to fraction form
    84,983.40/127,483.43 = 30,962.77/x
  3. Step 3: Cross multiply
    84,983.40x = 127,483.43 × 30,962.77
  4. Step 4: Simplify right side
    84,983.40x = 3,947,239,648.38
  5. Step 5: Solve for x
    x = 3,947,239,648.38/84,983.40
  6. Step 6: Final answer
    x = 46,447.18

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1.5x scale

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.