Home / 40,920.59-61,383.47-12,841.75

Finding the Fourth Proportional to 40,920.59, 61,383.47 and 12,841.75

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Solution

The fourth proportional to 40,920.59, 61,383.47 and 12,841.75 is: 19,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,920.59 : 61,383.47 = 12,841.75 : x
  2. Step 2: Convert to fraction form
    40,920.59/61,383.47 = 12,841.75/x
  3. Step 3: Cross multiply
    40,920.59x = 61,383.47 × 12,841.75
  4. Step 4: Simplify right side
    40,920.59x = 788,271,054.52
  5. Step 5: Solve for x
    x = 788,271,054.52/40,920.59
  6. Step 6: Final answer
    x = 19,263.44

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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.