Home / 31,431.71-47,137.47-10,367.01

Finding the Fourth Proportional to 31,431.71, 47,137.47 and 10,367.01

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Solution

The fourth proportional to 31,431.71, 47,137.47 and 10,367.01 is: 15,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,431.71 : 47,137.47 = 10,367.01 : x
  2. Step 2: Convert to fraction form
    31,431.71/47,137.47 = 10,367.01/x
  3. Step 3: Cross multiply
    31,431.71x = 47,137.47 × 10,367.01
  4. Step 4: Simplify right side
    31,431.71x = 488,674,622.86
  5. Step 5: Solve for x
    x = 488,674,622.86/31,431.71
  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.