Home / 30,370.11-45,555.13-15,569.58

Finding the Fourth Proportional to 30,370.11, 45,555.13 and 15,569.58

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Solution

The fourth proportional to 30,370.11, 45,555.13 and 15,569.58 is: 23,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.11 : 45,555.13 = 15,569.58 : x
  2. Step 2: Convert to fraction form
    30,370.11/45,555.13 = 15,569.58/x
  3. Step 3: Cross multiply
    30,370.11x = 45,555.13 × 15,569.58
  4. Step 4: Simplify right side
    30,370.11x = 709,274,240.95
  5. Step 5: Solve for x
    x = 709,274,240.95/30,370.11
  6. Step 6: Final answer
    x = 23,354.35

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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.