Home / 35,612.16-49,148.96-20,708.16

Finding the Fourth Proportional to 35,612.16, 49,148.96 and 20,708.16

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Solution

The fourth proportional to 35,612.16, 49,148.96 and 20,708.16 is: 28,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.16 : 49,148.96 = 20,708.16 : x
  2. Step 2: Convert to fraction form
    35,612.16/49,148.96 = 20,708.16/x
  3. Step 3: Cross multiply
    35,612.16x = 49,148.96 × 20,708.16
  4. Step 4: Simplify right side
    35,612.16x = 1,017,784,527.51
  5. Step 5: Solve for x
    x = 1,017,784,527.51/35,612.16
  6. Step 6: Final answer
    x = 28,579.69

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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.