Home / 39,955.40-59,954.70-17,772.20

Finding the Fourth Proportional to 39,955.40, 59,954.70 and 17,772.20

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Solution

The fourth proportional to 39,955.40, 59,954.70 and 17,772.20 is: 26,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.40 : 59,954.70 = 17,772.20 : x
  2. Step 2: Convert to fraction form
    39,955.40/59,954.70 = 17,772.20/x
  3. Step 3: Cross multiply
    39,955.40x = 59,954.70 × 17,772.20
  4. Step 4: Simplify right side
    39,955.40x = 1,065,526,919.34
  5. Step 5: Solve for x
    x = 1,065,526,919.34/39,955.40
  6. Step 6: Final answer
    x = 26,667.91

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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.