Home / 30,655.83-46,001.49-12,885.09

Finding the Fourth Proportional to 30,655.83, 46,001.49 and 12,885.09

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Solution

The fourth proportional to 30,655.83, 46,001.49 and 12,885.09 is: 19,335.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.83 : 46,001.49 = 12,885.09 : x
  2. Step 2: Convert to fraction form
    30,655.83/46,001.49 = 12,885.09/x
  3. Step 3: Cross multiply
    30,655.83x = 46,001.49 × 12,885.09
  4. Step 4: Simplify right side
    30,655.83x = 592,733,338.78
  5. Step 5: Solve for x
    x = 592,733,338.78/30,655.83
  6. Step 6: Final answer
    x = 19,335.09

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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.