Home / 31,374.10-47,066.98-10,315.32

Finding the Fourth Proportional to 31,374.10, 47,066.98 and 10,315.32

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Solution

The fourth proportional to 31,374.10, 47,066.98 and 10,315.32 is: 15,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.10 : 47,066.98 = 10,315.32 : x
  2. Step 2: Convert to fraction form
    31,374.10/47,066.98 = 10,315.32/x
  3. Step 3: Cross multiply
    31,374.10x = 47,066.98 × 10,315.32
  4. Step 4: Simplify right side
    31,374.10x = 485,510,960.13
  5. Step 5: Solve for x
    x = 485,510,960.13/31,374.10
  6. Step 6: Final answer
    x = 15,474.90

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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.