Home / 38,476.81-53,120.08-29,330.36

Finding the Fourth Proportional to 38,476.81, 53,120.08 and 29,330.36

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Solution

The fourth proportional to 38,476.81, 53,120.08 and 29,330.36 is: 40,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.81 : 53,120.08 = 29,330.36 : x
  2. Step 2: Convert to fraction form
    38,476.81/53,120.08 = 29,330.36/x
  3. Step 3: Cross multiply
    38,476.81x = 53,120.08 × 29,330.36
  4. Step 4: Simplify right side
    38,476.81x = 1,558,031,069.63
  5. Step 5: Solve for x
    x = 1,558,031,069.63/38,476.81
  6. Step 6: Final answer
    x = 40,492.73

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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.