Home / 58,318.16-87,491.12-18,875.27

Finding the Fourth Proportional to 58,318.16, 87,491.12 and 18,875.27

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Solution

The fourth proportional to 58,318.16, 87,491.12 and 18,875.27 is: 28,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,318.16 : 87,491.12 = 18,875.27 : x
  2. Step 2: Convert to fraction form
    58,318.16/87,491.12 = 18,875.27/x
  3. Step 3: Cross multiply
    58,318.16x = 87,491.12 × 18,875.27
  4. Step 4: Simplify right side
    58,318.16x = 1,651,417,980.77
  5. Step 5: Solve for x
    x = 1,651,417,980.77/58,318.16
  6. Step 6: Final answer
    x = 28,317.39

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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.