Home / 46,948.12-70,422.30-11,887.78

Finding the Fourth Proportional to 46,948.12, 70,422.30 and 11,887.78

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Solution

The fourth proportional to 46,948.12, 70,422.30 and 11,887.78 is: 17,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,948.12 : 70,422.30 = 11,887.78 : x
  2. Step 2: Convert to fraction form
    46,948.12/70,422.30 = 11,887.78/x
  3. Step 3: Cross multiply
    46,948.12x = 70,422.30 × 11,887.78
  4. Step 4: Simplify right side
    46,948.12x = 837,164,809.49
  5. Step 5: Solve for x
    x = 837,164,809.49/46,948.12
  6. Step 6: Final answer
    x = 17,831.70

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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.