Home / 52,403.72-72,317.30-28,530.60

Finding the Fourth Proportional to 52,403.72, 72,317.30 and 28,530.60

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Solution

The fourth proportional to 52,403.72, 72,317.30 and 28,530.60 is: 39,372.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.72 : 72,317.30 = 28,530.60 : x
  2. Step 2: Convert to fraction form
    52,403.72/72,317.30 = 28,530.60/x
  3. Step 3: Cross multiply
    52,403.72x = 72,317.30 × 28,530.60
  4. Step 4: Simplify right side
    52,403.72x = 2,063,255,959.38
  5. Step 5: Solve for x
    x = 2,063,255,959.38/52,403.72
  6. Step 6: Final answer
    x = 39,372.32

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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.