Home / 30,290.90-45,444.98-14,717.30

Finding the Fourth Proportional to 30,290.90, 45,444.98 and 14,717.30

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Solution

The fourth proportional to 30,290.90, 45,444.98 and 14,717.30 is: 22,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.90 : 45,444.98 = 14,717.30 : x
  2. Step 2: Convert to fraction form
    30,290.90/45,444.98 = 14,717.30/x
  3. Step 3: Cross multiply
    30,290.90x = 45,444.98 × 14,717.30
  4. Step 4: Simplify right side
    30,290.90x = 668,827,213.72
  5. Step 5: Solve for x
    x = 668,827,213.72/30,290.90
  6. Step 6: Final answer
    x = 22,080.14

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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.