Home / 33,130.08-45,720.70-18,985.66

Finding the Fourth Proportional to 33,130.08, 45,720.70 and 18,985.66

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Solution

The fourth proportional to 33,130.08, 45,720.70 and 18,985.66 is: 26,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.08 : 45,720.70 = 18,985.66 : x
  2. Step 2: Convert to fraction form
    33,130.08/45,720.70 = 18,985.66/x
  3. Step 3: Cross multiply
    33,130.08x = 45,720.70 × 18,985.66
  4. Step 4: Simplify right side
    33,130.08x = 868,037,503.40
  5. Step 5: Solve for x
    x = 868,037,503.40/33,130.08
  6. Step 6: Final answer
    x = 26,200.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.