Home / 47,312.36-65,288.87-27,155.06

Finding the Fourth Proportional to 47,312.36, 65,288.87 and 27,155.06

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Solution

The fourth proportional to 47,312.36, 65,288.87 and 27,155.06 is: 37,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,312.36 : 65,288.87 = 27,155.06 : x
  2. Step 2: Convert to fraction form
    47,312.36/65,288.87 = 27,155.06/x
  3. Step 3: Cross multiply
    47,312.36x = 65,288.87 × 27,155.06
  4. Step 4: Simplify right side
    47,312.36x = 1,772,922,883.18
  5. Step 5: Solve for x
    x = 1,772,922,883.18/47,312.36
  6. Step 6: Final answer
    x = 37,472.72

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1.5x scale

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.