Home / 54,730.90-75,528.48-29,580.40

Finding the Fourth Proportional to 54,730.90, 75,528.48 and 29,580.40

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Solution

The fourth proportional to 54,730.90, 75,528.48 and 29,580.40 is: 40,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,730.90 : 75,528.48 = 29,580.40 : x
  2. Step 2: Convert to fraction form
    54,730.90/75,528.48 = 29,580.40/x
  3. Step 3: Cross multiply
    54,730.90x = 75,528.48 × 29,580.40
  4. Step 4: Simplify right side
    54,730.90x = 2,234,162,649.79
  5. Step 5: Solve for x
    x = 2,234,162,649.79/54,730.90
  6. Step 6: Final answer
    x = 40,820.86

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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.