Home / 58,256.57-87,384.24-18,812.81

Finding the Fourth Proportional to 58,256.57, 87,384.24 and 18,812.81

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Solution

The fourth proportional to 58,256.57, 87,384.24 and 18,812.81 is: 28,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,256.57 : 87,384.24 = 18,812.81 : x
  2. Step 2: Convert to fraction form
    58,256.57/87,384.24 = 18,812.81/x
  3. Step 3: Cross multiply
    58,256.57x = 87,384.24 × 18,812.81
  4. Step 4: Simplify right side
    58,256.57x = 1,643,942,667.19
  5. Step 5: Solve for x
    x = 1,643,942,667.19/58,256.57
  6. Step 6: Final answer
    x = 28,219.01

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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.