Home / 31,045.28-46,569.65-8,856.88

Finding the Fourth Proportional to 31,045.28, 46,569.65 and 8,856.88

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Solution

The fourth proportional to 31,045.28, 46,569.65 and 8,856.88 is: 13,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,045.28 : 46,569.65 = 8,856.88 : x
  2. Step 2: Convert to fraction form
    31,045.28/46,569.65 = 8,856.88/x
  3. Step 3: Cross multiply
    31,045.28x = 46,569.65 × 8,856.88
  4. Step 4: Simplify right side
    31,045.28x = 412,461,801.69
  5. Step 5: Solve for x
    x = 412,461,801.69/31,045.28
  6. Step 6: Final answer
    x = 13,285.81

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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.