Home / 35,406.10-48,860.72-19,490.64

Finding the Fourth Proportional to 35,406.10, 48,860.72 and 19,490.64

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Solution

The fourth proportional to 35,406.10, 48,860.72 and 19,490.64 is: 26,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.10 : 48,860.72 = 19,490.64 : x
  2. Step 2: Convert to fraction form
    35,406.10/48,860.72 = 19,490.64/x
  3. Step 3: Cross multiply
    35,406.10x = 48,860.72 × 19,490.64
  4. Step 4: Simplify right side
    35,406.10x = 952,326,703.66
  5. Step 5: Solve for x
    x = 952,326,703.66/35,406.10
  6. Step 6: Final answer
    x = 26,897.25

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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.