Home / 35,390.04-53,117.88-17,872.17

Finding the Fourth Proportional to 35,390.04, 53,117.88 and 17,872.17

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Solution

The fourth proportional to 35,390.04, 53,117.88 and 17,872.17 is: 26,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.04 : 53,117.88 = 17,872.17 : x
  2. Step 2: Convert to fraction form
    35,390.04/53,117.88 = 17,872.17/x
  3. Step 3: Cross multiply
    35,390.04x = 53,117.88 × 17,872.17
  4. Step 4: Simplify right side
    35,390.04x = 949,331,781.40
  5. Step 5: Solve for x
    x = 949,331,781.40/35,390.04
  6. Step 6: Final answer
    x = 26,824.83

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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.