Home / 35,421.79-53,165.54-17,903.92

Finding the Fourth Proportional to 35,421.79, 53,165.54 and 17,903.92

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Solution

The fourth proportional to 35,421.79, 53,165.54 and 17,903.92 is: 26,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.79 : 53,165.54 = 17,903.92 : x
  2. Step 2: Convert to fraction form
    35,421.79/53,165.54 = 17,903.92/x
  3. Step 3: Cross multiply
    35,421.79x = 53,165.54 × 17,903.92
  4. Step 4: Simplify right side
    35,421.79x = 951,871,574.92
  5. Step 5: Solve for x
    x = 951,871,574.92/35,421.79
  6. Step 6: Final answer
    x = 26,872.49

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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.