Home / 52,860.09-72,947.93-28,985.34

Finding the Fourth Proportional to 52,860.09, 72,947.93 and 28,985.34

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Solution

The fourth proportional to 52,860.09, 72,947.93 and 28,985.34 is: 40,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,860.09 : 72,947.93 = 28,985.34 : x
  2. Step 2: Convert to fraction form
    52,860.09/72,947.93 = 28,985.34/x
  3. Step 3: Cross multiply
    52,860.09x = 72,947.93 × 28,985.34
  4. Step 4: Simplify right side
    52,860.09x = 2,114,420,408.42
  5. Step 5: Solve for x
    x = 2,114,420,408.42/52,860.09
  6. Step 6: Final answer
    x = 40,000.32

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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.