Home / 35,965.40-53,904.90-18,426.20

Finding the Fourth Proportional to 35,965.40, 53,904.90 and 18,426.20

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Solution

The fourth proportional to 35,965.40, 53,904.90 and 18,426.20 is: 27,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,965.40 : 53,904.90 = 18,426.20 : x
  2. Step 2: Convert to fraction form
    35,965.40/53,904.90 = 18,426.20/x
  3. Step 3: Cross multiply
    35,965.40x = 53,904.90 × 18,426.20
  4. Step 4: Simplify right side
    35,965.40x = 993,262,468.38
  5. Step 5: Solve for x
    x = 993,262,468.38/35,965.40
  6. Step 6: Final answer
    x = 27,617.17

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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.