Home / 38,162.04-52,663.28-21,395.04

Finding the Fourth Proportional to 38,162.04, 52,663.28 and 21,395.04

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Solution

The fourth proportional to 38,162.04, 52,663.28 and 21,395.04 is: 29,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.04 : 52,663.28 = 21,395.04 : x
  2. Step 2: Convert to fraction form
    38,162.04/52,663.28 = 21,395.04/x
  3. Step 3: Cross multiply
    38,162.04x = 52,663.28 × 21,395.04
  4. Step 4: Simplify right side
    38,162.04x = 1,126,732,875.16
  5. Step 5: Solve for x
    x = 1,126,732,875.16/38,162.04
  6. Step 6: Final answer
    x = 29,524.96

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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.