Home / 30,118.59-45,176.77-14,334.93

Finding the Fourth Proportional to 30,118.59, 45,176.77 and 14,334.93

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Solution

The fourth proportional to 30,118.59, 45,176.77 and 14,334.93 is: 21,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.59 : 45,176.77 = 14,334.93 : x
  2. Step 2: Convert to fraction form
    30,118.59/45,176.77 = 14,334.93/x
  3. Step 3: Cross multiply
    30,118.59x = 45,176.77 × 14,334.93
  4. Step 4: Simplify right side
    30,118.59x = 647,605,853.49
  5. Step 5: Solve for x
    x = 647,605,853.49/30,118.59
  6. Step 6: Final answer
    x = 21,501.86

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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.