Home / 30,545.76-45,777.60-13,010.88

Finding the Fourth Proportional to 30,545.76, 45,777.60 and 13,010.88

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Solution

The fourth proportional to 30,545.76, 45,777.60 and 13,010.88 is: 19,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.76 : 45,777.60 = 13,010.88 : x
  2. Step 2: Convert to fraction form
    30,545.76/45,777.60 = 13,010.88/x
  3. Step 3: Cross multiply
    30,545.76x = 45,777.60 × 13,010.88
  4. Step 4: Simplify right side
    30,545.76x = 595,606,860.29
  5. Step 5: Solve for x
    x = 595,606,860.29/30,545.76
  6. Step 6: Final answer
    x = 19,498.84

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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.