Home / 34,438.79-51,658.83-9,478.71

Finding the Fourth Proportional to 34,438.79, 51,658.83 and 9,478.71

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Solution

The fourth proportional to 34,438.79, 51,658.83 and 9,478.71 is: 14,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,438.79 : 51,658.83 = 9,478.71 : x
  2. Step 2: Convert to fraction form
    34,438.79/51,658.83 = 9,478.71/x
  3. Step 3: Cross multiply
    34,438.79x = 51,658.83 × 9,478.71
  4. Step 4: Simplify right side
    34,438.79x = 489,659,068.51
  5. Step 5: Solve for x
    x = 489,659,068.51/34,438.79
  6. Step 6: Final answer
    x = 14,218.24

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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.