Home / 38,323.04-52,885.20-21,556.08

Finding the Fourth Proportional to 38,323.04, 52,885.20 and 21,556.08

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Solution

The fourth proportional to 38,323.04, 52,885.20 and 21,556.08 is: 29,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,323.04 : 52,885.20 = 21,556.08 : x
  2. Step 2: Convert to fraction form
    38,323.04/52,885.20 = 21,556.08/x
  3. Step 3: Cross multiply
    38,323.04x = 52,885.20 × 21,556.08
  4. Step 4: Simplify right side
    38,323.04x = 1,139,997,602.02
  5. Step 5: Solve for x
    x = 1,139,997,602.02/38,323.04
  6. Step 6: Final answer
    x = 29,747.06

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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.