Home / 38,397.04-52,992.96-21,633.28

Finding the Fourth Proportional to 38,397.04, 52,992.96 and 21,633.28

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Solution

The fourth proportional to 38,397.04, 52,992.96 and 21,633.28 is: 29,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.04 : 52,992.96 = 21,633.28 : x
  2. Step 2: Convert to fraction form
    38,397.04/52,992.96 = 21,633.28/x
  3. Step 3: Cross multiply
    38,397.04x = 52,992.96 × 21,633.28
  4. Step 4: Simplify right side
    38,397.04x = 1,146,411,541.71
  5. Step 5: Solve for x
    x = 1,146,411,541.71/38,397.04
  6. Step 6: Final answer
    x = 29,856.77

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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.