Home / 39,701.42-59,570.13-19,730.82

Finding the Fourth Proportional to 39,701.42, 59,570.13 and 19,730.82

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Solution

The fourth proportional to 39,701.42, 59,570.13 and 19,730.82 is: 29,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.42 : 59,570.13 = 19,730.82 : x
  2. Step 2: Convert to fraction form
    39,701.42/59,570.13 = 19,730.82/x
  3. Step 3: Cross multiply
    39,701.42x = 59,570.13 × 19,730.82
  4. Step 4: Simplify right side
    39,701.42x = 1,175,367,307.16
  5. Step 5: Solve for x
    x = 1,175,367,307.16/39,701.42
  6. Step 6: Final answer
    x = 29,605.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.