Home / 30,358.02-45,537.30-9,581.52

Finding the Fourth Proportional to 30,358.02, 45,537.30 and 9,581.52

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Solution

The fourth proportional to 30,358.02, 45,537.30 and 9,581.52 is: 14,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,358.02 : 45,537.30 = 9,581.52 : x
  2. Step 2: Convert to fraction form
    30,358.02/45,537.30 = 9,581.52/x
  3. Step 3: Cross multiply
    30,358.02x = 45,537.30 × 9,581.52
  4. Step 4: Simplify right side
    30,358.02x = 436,316,550.70
  5. Step 5: Solve for x
    x = 436,316,550.70/30,358.02
  6. Step 6: Final answer
    x = 14,372.37

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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.