Home / 30,208.76-45,307.72-13,565.96

Finding the Fourth Proportional to 30,208.76, 45,307.72 and 13,565.96

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Solution

The fourth proportional to 30,208.76, 45,307.72 and 13,565.96 is: 20,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.76 : 45,307.72 = 13,565.96 : x
  2. Step 2: Convert to fraction form
    30,208.76/45,307.72 = 13,565.96/x
  3. Step 3: Cross multiply
    30,208.76x = 45,307.72 × 13,565.96
  4. Step 4: Simplify right side
    30,208.76x = 614,642,717.21
  5. Step 5: Solve for x
    x = 614,642,717.21/30,208.76
  6. Step 6: Final answer
    x = 20,346.51

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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.