Home / 31,521.48-47,286.47-10,454.19

Finding the Fourth Proportional to 31,521.48, 47,286.47 and 10,454.19

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Solution

The fourth proportional to 31,521.48, 47,286.47 and 10,454.19 is: 15,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.48 : 47,286.47 = 10,454.19 : x
  2. Step 2: Convert to fraction form
    31,521.48/47,286.47 = 10,454.19/x
  3. Step 3: Cross multiply
    31,521.48x = 47,286.47 × 10,454.19
  4. Step 4: Simplify right side
    31,521.48x = 494,341,741.81
  5. Step 5: Solve for x
    x = 494,341,741.81/31,521.48
  6. Step 6: Final answer
    x = 15,682.69

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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.