Home / 31,374.04-47,068.26-10,315.86

Finding the Fourth Proportional to 31,374.04, 47,068.26 and 10,315.86

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Solution

The fourth proportional to 31,374.04, 47,068.26 and 10,315.86 is: 15,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.04 : 47,068.26 = 10,315.86 : x
  2. Step 2: Convert to fraction form
    31,374.04/47,068.26 = 10,315.86/x
  3. Step 3: Cross multiply
    31,374.04x = 47,068.26 × 10,315.86
  4. Step 4: Simplify right side
    31,374.04x = 485,549,580.60
  5. Step 5: Solve for x
    x = 485,549,580.60/31,374.04
  6. Step 6: Final answer
    x = 15,476.16

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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.