Home / 30,302.76-45,438.93-17,656.61

Finding the Fourth Proportional to 30,302.76, 45,438.93 and 17,656.61

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Solution

The fourth proportional to 30,302.76, 45,438.93 and 17,656.61 is: 26,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.76 : 45,438.93 = 17,656.61 : x
  2. Step 2: Convert to fraction form
    30,302.76/45,438.93 = 17,656.61/x
  3. Step 3: Cross multiply
    30,302.76x = 45,438.93 × 17,656.61
  4. Step 4: Simplify right side
    30,302.76x = 802,297,238.63
  5. Step 5: Solve for x
    x = 802,297,238.63/30,302.76
  6. Step 6: Final answer
    x = 26,476.05

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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.