Home / 35,642.43-53,416.44-18,966.51

Finding the Fourth Proportional to 35,642.43, 53,416.44 and 18,966.51

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Solution

The fourth proportional to 35,642.43, 53,416.44 and 18,966.51 is: 28,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.43 : 53,416.44 = 18,966.51 : x
  2. Step 2: Convert to fraction form
    35,642.43/53,416.44 = 18,966.51/x
  3. Step 3: Cross multiply
    35,642.43x = 53,416.44 × 18,966.51
  4. Step 4: Simplify right side
    35,642.43x = 1,013,123,443.42
  5. Step 5: Solve for x
    x = 1,013,123,443.42/35,642.43
  6. Step 6: Final answer
    x = 28,424.65

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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.