Home / 52,681.69-79,058.08-19,428.36

Finding the Fourth Proportional to 52,681.69, 79,058.08 and 19,428.36

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Solution

The fourth proportional to 52,681.69, 79,058.08 and 19,428.36 is: 29,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,681.69 : 79,058.08 = 19,428.36 : x
  2. Step 2: Convert to fraction form
    52,681.69/79,058.08 = 19,428.36/x
  3. Step 3: Cross multiply
    52,681.69x = 79,058.08 × 19,428.36
  4. Step 4: Simplify right side
    52,681.69x = 1,535,968,457.68
  5. Step 5: Solve for x
    x = 1,535,968,457.68/52,681.69
  6. Step 6: Final answer
    x = 29,155.64

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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.