Home / 30,220.24-45,314.74-13,565.96

Finding the Fourth Proportional to 30,220.24, 45,314.74 and 13,565.96

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Solution

The fourth proportional to 30,220.24, 45,314.74 and 13,565.96 is: 20,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.24 : 45,314.74 = 13,565.96 : x
  2. Step 2: Convert to fraction form
    30,220.24/45,314.74 = 13,565.96/x
  3. Step 3: Cross multiply
    30,220.24x = 45,314.74 × 13,565.96
  4. Step 4: Simplify right side
    30,220.24x = 614,737,950.25
  5. Step 5: Solve for x
    x = 614,737,950.25/30,220.24
  6. Step 6: Final answer
    x = 20,341.93

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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.