Home / 31,281.68-46,889.40-14,627.72

Finding the Fourth Proportional to 31,281.68, 46,889.40 and 14,627.72

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Solution

The fourth proportional to 31,281.68, 46,889.40 and 14,627.72 is: 21,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.68 : 46,889.40 = 14,627.72 : x
  2. Step 2: Convert to fraction form
    31,281.68/46,889.40 = 14,627.72/x
  3. Step 3: Cross multiply
    31,281.68x = 46,889.40 × 14,627.72
  4. Step 4: Simplify right side
    31,281.68x = 685,885,014.17
  5. Step 5: Solve for x
    x = 685,885,014.17/31,281.68
  6. Step 6: Final answer
    x = 21,926.09

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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.