Home / 30,290.52-45,455.22-14,699.64

Finding the Fourth Proportional to 30,290.52, 45,455.22 and 14,699.64

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Solution

The fourth proportional to 30,290.52, 45,455.22 and 14,699.64 is: 22,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.52 : 45,455.22 = 14,699.64 : x
  2. Step 2: Convert to fraction form
    30,290.52/45,455.22 = 14,699.64/x
  3. Step 3: Cross multiply
    30,290.52x = 45,455.22 × 14,699.64
  4. Step 4: Simplify right side
    30,290.52x = 668,175,370.12
  5. Step 5: Solve for x
    x = 668,175,370.12/30,290.52
  6. Step 6: Final answer
    x = 22,058.89

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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.