Home / 35,521.18-49,017.75-19,605.40

Finding the Fourth Proportional to 35,521.18, 49,017.75 and 19,605.40

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Solution

The fourth proportional to 35,521.18, 49,017.75 and 19,605.40 is: 27,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521.18 : 49,017.75 = 19,605.40 : x
  2. Step 2: Convert to fraction form
    35,521.18/49,017.75 = 19,605.40/x
  3. Step 3: Cross multiply
    35,521.18x = 49,017.75 × 19,605.40
  4. Step 4: Simplify right side
    35,521.18x = 961,012,595.85
  5. Step 5: Solve for x
    x = 961,012,595.85/35,521.18
  6. Step 6: Final answer
    x = 27,054.64

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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.