Home / 30,538.34-45,814.05-9,477.92

Finding the Fourth Proportional to 30,538.34, 45,814.05 and 9,477.92

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Solution

The fourth proportional to 30,538.34, 45,814.05 and 9,477.92 is: 14,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,538.34 : 45,814.05 = 9,477.92 : x
  2. Step 2: Convert to fraction form
    30,538.34/45,814.05 = 9,477.92/x
  3. Step 3: Cross multiply
    30,538.34x = 45,814.05 × 9,477.92
  4. Step 4: Simplify right side
    30,538.34x = 434,221,900.78
  5. Step 5: Solve for x
    x = 434,221,900.78/30,538.34
  6. Step 6: Final answer
    x = 14,218.91

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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.