Home / 32,780.40-49,166.82-9,089.70

Finding the Fourth Proportional to 32,780.40, 49,166.82 and 9,089.70

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Solution

The fourth proportional to 32,780.40, 49,166.82 and 9,089.70 is: 13,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.40 : 49,166.82 = 9,089.70 : x
  2. Step 2: Convert to fraction form
    32,780.40/49,166.82 = 9,089.70/x
  3. Step 3: Cross multiply
    32,780.40x = 49,166.82 × 9,089.70
  4. Step 4: Simplify right side
    32,780.40x = 446,911,643.75
  5. Step 5: Solve for x
    x = 446,911,643.75/32,780.40
  6. Step 6: Final answer
    x = 13,633.50

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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.