Home / 43,348.50-59,800.77-30,780.18

Finding the Fourth Proportional to 43,348.50, 59,800.77 and 30,780.18

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Solution

The fourth proportional to 43,348.50, 59,800.77 and 30,780.18 is: 42,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,348.50 : 59,800.77 = 30,780.18 : x
  2. Step 2: Convert to fraction form
    43,348.50/59,800.77 = 30,780.18/x
  3. Step 3: Cross multiply
    43,348.50x = 59,800.77 × 30,780.18
  4. Step 4: Simplify right side
    43,348.50x = 1,840,678,464.74
  5. Step 5: Solve for x
    x = 1,840,678,464.74/43,348.50
  6. Step 6: Final answer
    x = 42,462.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.