Home / 34,895.90-48,155.81-18,979.98

Finding the Fourth Proportional to 34,895.90, 48,155.81 and 18,979.98

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Solution

The fourth proportional to 34,895.90, 48,155.81 and 18,979.98 is: 26,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,895.90 : 48,155.81 = 18,979.98 : x
  2. Step 2: Convert to fraction form
    34,895.90/48,155.81 = 18,979.98/x
  3. Step 3: Cross multiply
    34,895.90x = 48,155.81 × 18,979.98
  4. Step 4: Simplify right side
    34,895.90x = 913,996,215.78
  5. Step 5: Solve for x
    x = 913,996,215.78/34,895.90
  6. Step 6: Final answer
    x = 26,192.08

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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.