Home / 52,543.64-72,508.80-28,670.32

Finding the Fourth Proportional to 52,543.64, 72,508.80 and 28,670.32

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Solution

The fourth proportional to 52,543.64, 72,508.80 and 28,670.32 is: 39,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.64 : 72,508.80 = 28,670.32 : x
  2. Step 2: Convert to fraction form
    52,543.64/72,508.80 = 28,670.32/x
  3. Step 3: Cross multiply
    52,543.64x = 72,508.80 × 28,670.32
  4. Step 4: Simplify right side
    52,543.64x = 2,078,850,498.82
  5. Step 5: Solve for x
    x = 2,078,850,498.82/52,543.64
  6. Step 6: Final answer
    x = 39,564.27

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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.