Home / 31,457.93-47,194.28-10,397.97

Finding the Fourth Proportional to 31,457.93, 47,194.28 and 10,397.97

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Solution

The fourth proportional to 31,457.93, 47,194.28 and 10,397.97 is: 15,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.93 : 47,194.28 = 10,397.97 : x
  2. Step 2: Convert to fraction form
    31,457.93/47,194.28 = 10,397.97/x
  3. Step 3: Cross multiply
    31,457.93x = 47,194.28 × 10,397.97
  4. Step 4: Simplify right side
    31,457.93x = 490,724,672.52
  5. Step 5: Solve for x
    x = 490,724,672.52/31,457.93
  6. Step 6: Final answer
    x = 15,599.40

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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.