Home / 31,521.63-47,289.36-9,336.74

Finding the Fourth Proportional to 31,521.63, 47,289.36 and 9,336.74

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Solution

The fourth proportional to 31,521.63, 47,289.36 and 9,336.74 is: 14,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.63 : 47,289.36 = 9,336.74 : x
  2. Step 2: Convert to fraction form
    31,521.63/47,289.36 = 9,336.74/x
  3. Step 3: Cross multiply
    31,521.63x = 47,289.36 × 9,336.74
  4. Step 4: Simplify right side
    31,521.63x = 441,528,459.09
  5. Step 5: Solve for x
    x = 441,528,459.09/31,521.63
  6. Step 6: Final answer
    x = 14,007.16

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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.