Home / 31,455.16-47,182.65-9,268.51

Finding the Fourth Proportional to 31,455.16, 47,182.65 and 9,268.51

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Solution

The fourth proportional to 31,455.16, 47,182.65 and 9,268.51 is: 13,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.16 : 47,182.65 = 9,268.51 : x
  2. Step 2: Convert to fraction form
    31,455.16/47,182.65 = 9,268.51/x
  3. Step 3: Cross multiply
    31,455.16x = 47,182.65 × 9,268.51
  4. Step 4: Simplify right side
    31,455.16x = 437,312,863.35
  5. Step 5: Solve for x
    x = 437,312,863.35/31,455.16
  6. Step 6: Final answer
    x = 13,902.74

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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.