Home / 53,490.30-73,815.75-29,616.90

Finding the Fourth Proportional to 53,490.30, 73,815.75 and 29,616.90

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Solution

The fourth proportional to 53,490.30, 73,815.75 and 29,616.90 is: 40,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,490.30 : 73,815.75 = 29,616.90 : x
  2. Step 2: Convert to fraction form
    53,490.30/73,815.75 = 29,616.90/x
  3. Step 3: Cross multiply
    53,490.30x = 73,815.75 × 29,616.90
  4. Step 4: Simplify right side
    53,490.30x = 2,186,193,686.18
  5. Step 5: Solve for x
    x = 2,186,193,686.18/53,490.30
  6. Step 6: Final answer
    x = 40,870.84

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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.