Home / 52,985.98-79,478.77-13,543.03

Finding the Fourth Proportional to 52,985.98, 79,478.77 and 13,543.03

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Solution

The fourth proportional to 52,985.98, 79,478.77 and 13,543.03 is: 20,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,985.98 : 79,478.77 = 13,543.03 : x
  2. Step 2: Convert to fraction form
    52,985.98/79,478.77 = 13,543.03/x
  3. Step 3: Cross multiply
    52,985.98x = 79,478.77 × 13,543.03
  4. Step 4: Simplify right side
    52,985.98x = 1,076,383,366.47
  5. Step 5: Solve for x
    x = 1,076,383,366.47/52,985.98
  6. Step 6: Final answer
    x = 20,314.49

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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.