Home / 38,656.64-53,345.28-22,737.60

Finding the Fourth Proportional to 38,656.64, 53,345.28 and 22,737.60

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Solution

The fourth proportional to 38,656.64, 53,345.28 and 22,737.60 is: 31,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.64 : 53,345.28 = 22,737.60 : x
  2. Step 2: Convert to fraction form
    38,656.64/53,345.28 = 22,737.60/x
  3. Step 3: Cross multiply
    38,656.64x = 53,345.28 × 22,737.60
  4. Step 4: Simplify right side
    38,656.64x = 1,212,943,638.53
  5. Step 5: Solve for x
    x = 1,212,943,638.53/38,656.64
  6. Step 6: Final answer
    x = 31,377.37

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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.