Home / 42,587.82-63,881.73-13,004.06

Finding the Fourth Proportional to 42,587.82, 63,881.73 and 13,004.06

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Solution

The fourth proportional to 42,587.82, 63,881.73 and 13,004.06 is: 19,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587.82 : 63,881.73 = 13,004.06 : x
  2. Step 2: Convert to fraction form
    42,587.82/63,881.73 = 13,004.06/x
  3. Step 3: Cross multiply
    42,587.82x = 63,881.73 × 13,004.06
  4. Step 4: Simplify right side
    42,587.82x = 830,721,530.42
  5. Step 5: Solve for x
    x = 830,721,530.42/42,587.82
  6. Step 6: Final answer
    x = 19,506.08

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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.