Home / 54,878.04-75,733.20-31,004.24

Finding the Fourth Proportional to 54,878.04, 75,733.20 and 31,004.24

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Solution

The fourth proportional to 54,878.04, 75,733.20 and 31,004.24 is: 42,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878.04 : 75,733.20 = 31,004.24 : x
  2. Step 2: Convert to fraction form
    54,878.04/75,733.20 = 31,004.24/x
  3. Step 3: Cross multiply
    54,878.04x = 75,733.20 × 31,004.24
  4. Step 4: Simplify right side
    54,878.04x = 2,348,050,308.77
  5. Step 5: Solve for x
    x = 2,348,050,308.77/54,878.04
  6. Step 6: Final answer
    x = 42,786.70

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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.