Home / 35,432.56-48,878.31-21,082.19

Finding the Fourth Proportional to 35,432.56, 48,878.31 and 21,082.19

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Solution

The fourth proportional to 35,432.56, 48,878.31 and 21,082.19 is: 29,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,432.56 : 48,878.31 = 21,082.19 : x
  2. Step 2: Convert to fraction form
    35,432.56/48,878.31 = 21,082.19/x
  3. Step 3: Cross multiply
    35,432.56x = 48,878.31 × 21,082.19
  4. Step 4: Simplify right side
    35,432.56x = 1,030,461,868.61
  5. Step 5: Solve for x
    x = 1,030,461,868.61/35,432.56
  6. Step 6: Final answer
    x = 29,082.35

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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.