Home / 52,293.57-72,164.19-28,420.32

Finding the Fourth Proportional to 52,293.57, 72,164.19 and 28,420.32

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Solution

The fourth proportional to 52,293.57, 72,164.19 and 28,420.32 is: 39,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.57 : 72,164.19 = 28,420.32 : x
  2. Step 2: Convert to fraction form
    52,293.57/72,164.19 = 28,420.32/x
  3. Step 3: Cross multiply
    52,293.57x = 72,164.19 × 28,420.32
  4. Step 4: Simplify right side
    52,293.57x = 2,050,929,372.34
  5. Step 5: Solve for x
    x = 2,050,929,372.34/52,293.57
  6. Step 6: Final answer
    x = 39,219.53

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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.