Home / 31,422.48-47,134.14-10,364.70

Finding the Fourth Proportional to 31,422.48, 47,134.14 and 10,364.70

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Solution

The fourth proportional to 31,422.48, 47,134.14 and 10,364.70 is: 15,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.48 : 47,134.14 = 10,364.70 : x
  2. Step 2: Convert to fraction form
    31,422.48/47,134.14 = 10,364.70/x
  3. Step 3: Cross multiply
    31,422.48x = 47,134.14 × 10,364.70
  4. Step 4: Simplify right side
    31,422.48x = 488,531,220.86
  5. Step 5: Solve for x
    x = 488,531,220.86/31,422.48
  6. Step 6: Final answer
    x = 15,547.19

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1.5x scale

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.