Home / 53,683.32-74,081.56-29,809.38

Finding the Fourth Proportional to 53,683.32, 74,081.56 and 29,809.38

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Solution

The fourth proportional to 53,683.32, 74,081.56 and 29,809.38 is: 41,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,683.32 : 74,081.56 = 29,809.38 : x
  2. Step 2: Convert to fraction form
    53,683.32/74,081.56 = 29,809.38/x
  3. Step 3: Cross multiply
    53,683.32x = 74,081.56 × 29,809.38
  4. Step 4: Simplify right side
    53,683.32x = 2,208,325,373.03
  5. Step 5: Solve for x
    x = 2,208,325,373.03/53,683.32
  6. Step 6: Final answer
    x = 41,136.16

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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.