Home / 31,281.28-46,926.61-9,091.77

Finding the Fourth Proportional to 31,281.28, 46,926.61 and 9,091.77

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Solution

The fourth proportional to 31,281.28, 46,926.61 and 9,091.77 is: 13,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.28 : 46,926.61 = 9,091.77 : x
  2. Step 2: Convert to fraction form
    31,281.28/46,926.61 = 9,091.77/x
  3. Step 3: Cross multiply
    31,281.28x = 46,926.61 × 9,091.77
  4. Step 4: Simplify right side
    31,281.28x = 426,645,926.22
  5. Step 5: Solve for x
    x = 426,645,926.22/31,281.28
  6. Step 6: Final answer
    x = 13,639.02

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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.