Home / 58,397.13-87,540.28-18,926.51

Finding the Fourth Proportional to 58,397.13, 87,540.28 and 18,926.51

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Solution

The fourth proportional to 58,397.13, 87,540.28 and 18,926.51 is: 28,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,397.13 : 87,540.28 = 18,926.51 : x
  2. Step 2: Convert to fraction form
    58,397.13/87,540.28 = 18,926.51/x
  3. Step 3: Cross multiply
    58,397.13x = 87,540.28 × 18,926.51
  4. Step 4: Simplify right side
    58,397.13x = 1,656,831,499.81
  5. Step 5: Solve for x
    x = 1,656,831,499.81/58,397.13
  6. Step 6: Final answer
    x = 28,371.80

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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.