Home / 38,079.05-52,547.37-21,082.10

Finding the Fourth Proportional to 38,079.05, 52,547.37 and 21,082.10

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Solution

The fourth proportional to 38,079.05, 52,547.37 and 21,082.10 is: 29,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.05 : 52,547.37 = 21,082.10 : x
  2. Step 2: Convert to fraction form
    38,079.05/52,547.37 = 21,082.10/x
  3. Step 3: Cross multiply
    38,079.05x = 52,547.37 × 21,082.10
  4. Step 4: Simplify right side
    38,079.05x = 1,107,808,646.34
  5. Step 5: Solve for x
    x = 1,107,808,646.34/38,079.05
  6. Step 6: Final answer
    x = 29,092.34

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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.