Home / 30,590.16-45,811.14-15,557.73

Finding the Fourth Proportional to 30,590.16, 45,811.14 and 15,557.73

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Solution

The fourth proportional to 30,590.16, 45,811.14 and 15,557.73 is: 23,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590.16 : 45,811.14 = 15,557.73 : x
  2. Step 2: Convert to fraction form
    30,590.16/45,811.14 = 15,557.73/x
  3. Step 3: Cross multiply
    30,590.16x = 45,811.14 × 15,557.73
  4. Step 4: Simplify right side
    30,590.16x = 712,717,347.11
  5. Step 5: Solve for x
    x = 712,717,347.11/30,590.16
  6. Step 6: Final answer
    x = 23,298.91

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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.