Home / 38,808.64-53,554.08-22,041.28

Finding the Fourth Proportional to 38,808.64, 53,554.08 and 22,041.28

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Solution

The fourth proportional to 38,808.64, 53,554.08 and 22,041.28 is: 30,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,808.64 : 53,554.08 = 22,041.28 : x
  2. Step 2: Convert to fraction form
    38,808.64/53,554.08 = 22,041.28/x
  3. Step 3: Cross multiply
    38,808.64x = 53,554.08 × 22,041.28
  4. Step 4: Simplify right side
    38,808.64x = 1,180,400,472.42
  5. Step 5: Solve for x
    x = 1,180,400,472.42/38,808.64
  6. Step 6: Final answer
    x = 30,415.92

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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.