Home / 52,521.57-72,480.78-28,649.12

Finding the Fourth Proportional to 52,521.57, 72,480.78 and 28,649.12

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Solution

The fourth proportional to 52,521.57, 72,480.78 and 28,649.12 is: 39,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,521.57 : 72,480.78 = 28,649.12 : x
  2. Step 2: Convert to fraction form
    52,521.57/72,480.78 = 28,649.12/x
  3. Step 3: Cross multiply
    52,521.57x = 72,480.78 × 28,649.12
  4. Step 4: Simplify right side
    52,521.57x = 2,076,510,201.51
  5. Step 5: Solve for x
    x = 2,076,510,201.51/52,521.57
  6. Step 6: Final answer
    x = 39,536.33

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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.