Home / 33,030.72-45,580.80-18,885.12

Finding the Fourth Proportional to 33,030.72, 45,580.80 and 18,885.12

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Solution

The fourth proportional to 33,030.72, 45,580.80 and 18,885.12 is: 26,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,030.72 : 45,580.80 = 18,885.12 : x
  2. Step 2: Convert to fraction form
    33,030.72/45,580.80 = 18,885.12/x
  3. Step 3: Cross multiply
    33,030.72x = 45,580.80 × 18,885.12
  4. Step 4: Simplify right side
    33,030.72x = 860,798,877.70
  5. Step 5: Solve for x
    x = 860,798,877.70/33,030.72
  6. Step 6: Final answer
    x = 26,060.55

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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.