Home / 30,374.16-45,562.62-9,312.66

Finding the Fourth Proportional to 30,374.16, 45,562.62 and 9,312.66

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Solution

The fourth proportional to 30,374.16, 45,562.62 and 9,312.66 is: 13,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.16 : 45,562.62 = 9,312.66 : x
  2. Step 2: Convert to fraction form
    30,374.16/45,562.62 = 9,312.66/x
  3. Step 3: Cross multiply
    30,374.16x = 45,562.62 × 9,312.66
  4. Step 4: Simplify right side
    30,374.16x = 424,309,188.77
  5. Step 5: Solve for x
    x = 424,309,188.77/30,374.16
  6. Step 6: Final answer
    x = 13,969.41

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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.