Home / 35,390.16-48,820.05-28,683.36

Finding the Fourth Proportional to 35,390.16, 48,820.05 and 28,683.36

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Solution

The fourth proportional to 35,390.16, 48,820.05 and 28,683.36 is: 39,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.16 : 48,820.05 = 28,683.36 : x
  2. Step 2: Convert to fraction form
    35,390.16/48,820.05 = 28,683.36/x
  3. Step 3: Cross multiply
    35,390.16x = 48,820.05 × 28,683.36
  4. Step 4: Simplify right side
    35,390.16x = 1,400,323,069.37
  5. Step 5: Solve for x
    x = 1,400,323,069.37/35,390.16
  6. Step 6: Final answer
    x = 39,568.15

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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.