Home / 31,480.86-47,209.94-10,417.01

Finding the Fourth Proportional to 31,480.86, 47,209.94 and 10,417.01

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Solution

The fourth proportional to 31,480.86, 47,209.94 and 10,417.01 is: 15,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.86 : 47,209.94 = 10,417.01 : x
  2. Step 2: Convert to fraction form
    31,480.86/47,209.94 = 10,417.01/x
  3. Step 3: Cross multiply
    31,480.86x = 47,209.94 × 10,417.01
  4. Step 4: Simplify right side
    31,480.86x = 491,786,492.16
  5. Step 5: Solve for x
    x = 491,786,492.16/31,480.86
  6. Step 6: Final answer
    x = 15,621.76

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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.