Home / 29,998.61-45,011.05-14,214.91

Finding the Fourth Proportional to 29,998.61, 45,011.05 and 14,214.91

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Solution

The fourth proportional to 29,998.61, 45,011.05 and 14,214.91 is: 21,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998.61 : 45,011.05 = 14,214.91 : x
  2. Step 2: Convert to fraction form
    29,998.61/45,011.05 = 14,214.91/x
  3. Step 3: Cross multiply
    29,998.61x = 45,011.05 × 14,214.91
  4. Step 4: Simplify right side
    29,998.61x = 639,827,799.70
  5. Step 5: Solve for x
    x = 639,827,799.70/29,998.61
  6. Step 6: Final answer
    x = 21,328.58

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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.