Home / 53,730.60-74,148.28-29,856.72

Finding the Fourth Proportional to 53,730.60, 74,148.28 and 29,856.72

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Solution

The fourth proportional to 53,730.60, 74,148.28 and 29,856.72 is: 41,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.60 : 74,148.28 = 29,856.72 : x
  2. Step 2: Convert to fraction form
    53,730.60/74,148.28 = 29,856.72/x
  3. Step 3: Cross multiply
    53,730.60x = 74,148.28 × 29,856.72
  4. Step 4: Simplify right side
    53,730.60x = 2,213,824,434.44
  5. Step 5: Solve for x
    x = 2,213,824,434.44/53,730.60
  6. Step 6: Final answer
    x = 41,202.30

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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.