Home / 30,690.81-46,038.17-9,631.69

Finding the Fourth Proportional to 30,690.81, 46,038.17 and 9,631.69

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Solution

The fourth proportional to 30,690.81, 46,038.17 and 9,631.69 is: 14,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.81 : 46,038.17 = 9,631.69 : x
  2. Step 2: Convert to fraction form
    30,690.81/46,038.17 = 9,631.69/x
  3. Step 3: Cross multiply
    30,690.81x = 46,038.17 × 9,631.69
  4. Step 4: Simplify right side
    30,690.81x = 443,425,254.47
  5. Step 5: Solve for x
    x = 443,425,254.47/30,690.81
  6. Step 6: Final answer
    x = 14,448.14

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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.