Home / 35,721.57-53,582.02-21,685.49

Finding the Fourth Proportional to 35,721.57, 53,582.02 and 21,685.49

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Solution

The fourth proportional to 35,721.57, 53,582.02 and 21,685.49 is: 32,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.57 : 53,582.02 = 21,685.49 : x
  2. Step 2: Convert to fraction form
    35,721.57/53,582.02 = 21,685.49/x
  3. Step 3: Cross multiply
    35,721.57x = 53,582.02 × 21,685.49
  4. Step 4: Simplify right side
    35,721.57x = 1,161,952,358.89
  5. Step 5: Solve for x
    x = 1,161,952,358.89/35,721.57
  6. Step 6: Final answer
    x = 32,528.03

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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.