Home / 53,730.46-74,148.51-29,857.60

Finding the Fourth Proportional to 53,730.46, 74,148.51 and 29,857.60

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Solution

The fourth proportional to 53,730.46, 74,148.51 and 29,857.60 is: 41,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.46 : 74,148.51 = 29,857.60 : x
  2. Step 2: Convert to fraction form
    53,730.46/74,148.51 = 29,857.60/x
  3. Step 3: Cross multiply
    53,730.46x = 74,148.51 × 29,857.60
  4. Step 4: Simplify right side
    53,730.46x = 2,213,896,552.18
  5. Step 5: Solve for x
    x = 2,213,896,552.18/53,730.46
  6. Step 6: Final answer
    x = 41,203.75

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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.