Home / 59,985.03-89,878.82-20,520.57

Finding the Fourth Proportional to 59,985.03, 89,878.82 and 20,520.57

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Solution

The fourth proportional to 59,985.03, 89,878.82 and 20,520.57 is: 30,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,985.03 : 89,878.82 = 20,520.57 : x
  2. Step 2: Convert to fraction form
    59,985.03/89,878.82 = 20,520.57/x
  3. Step 3: Cross multiply
    59,985.03x = 89,878.82 × 20,520.57
  4. Step 4: Simplify right side
    59,985.03x = 1,844,364,514.72
  5. Step 5: Solve for x
    x = 1,844,364,514.72/59,985.03
  6. Step 6: Final answer
    x = 30,747.08

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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.