Home / 53,683.28-74,084.78-29,810.35

Finding the Fourth Proportional to 53,683.28, 74,084.78 and 29,810.35

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Solution

The fourth proportional to 53,683.28, 74,084.78 and 29,810.35 is: 41,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,683.28 : 74,084.78 = 29,810.35 : x
  2. Step 2: Convert to fraction form
    53,683.28/74,084.78 = 29,810.35/x
  3. Step 3: Cross multiply
    53,683.28x = 74,084.78 × 29,810.35
  4. Step 4: Simplify right side
    53,683.28x = 2,208,493,221.47
  5. Step 5: Solve for x
    x = 2,208,493,221.47/53,683.28
  6. Step 6: Final answer
    x = 41,139.31

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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.