Home / 35,528.16-53,274.84-20,740.80

Finding the Fourth Proportional to 35,528.16, 53,274.84 and 20,740.80

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Solution

The fourth proportional to 35,528.16, 53,274.84 and 20,740.80 is: 31,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.16 : 53,274.84 = 20,740.80 : x
  2. Step 2: Convert to fraction form
    35,528.16/53,274.84 = 20,740.80/x
  3. Step 3: Cross multiply
    35,528.16x = 53,274.84 × 20,740.80
  4. Step 4: Simplify right side
    35,528.16x = 1,104,962,801.47
  5. Step 5: Solve for x
    x = 1,104,962,801.47/35,528.16
  6. Step 6: Final answer
    x = 31,101.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.