Home / 40,684.19-56,121.63-28,603.16

Finding the Fourth Proportional to 40,684.19, 56,121.63 and 28,603.16

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Solution

The fourth proportional to 40,684.19, 56,121.63 and 28,603.16 is: 39,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.19 : 56,121.63 = 28,603.16 : x
  2. Step 2: Convert to fraction form
    40,684.19/56,121.63 = 28,603.16/x
  3. Step 3: Cross multiply
    40,684.19x = 56,121.63 × 28,603.16
  4. Step 4: Simplify right side
    40,684.19x = 1,605,255,962.35
  5. Step 5: Solve for x
    x = 1,605,255,962.35/40,684.19
  6. Step 6: Final answer
    x = 39,456.51

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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.