Home / 31,528.13-47,284.12-9,336.31

Finding the Fourth Proportional to 31,528.13, 47,284.12 and 9,336.31

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Solution

The fourth proportional to 31,528.13, 47,284.12 and 9,336.31 is: 14,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.13 : 47,284.12 = 9,336.31 : x
  2. Step 2: Convert to fraction form
    31,528.13/47,284.12 = 9,336.31/x
  3. Step 3: Cross multiply
    31,528.13x = 47,284.12 × 9,336.31
  4. Step 4: Simplify right side
    31,528.13x = 441,459,322.44
  5. Step 5: Solve for x
    x = 441,459,322.44/31,528.13
  6. Step 6: Final answer
    x = 14,002.08

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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.