Home / 39,955.70-59,970.36-20,248.04

Finding the Fourth Proportional to 39,955.70, 59,970.36 and 20,248.04

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Solution

The fourth proportional to 39,955.70, 59,970.36 and 20,248.04 is: 30,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.70 : 59,970.36 = 20,248.04 : x
  2. Step 2: Convert to fraction form
    39,955.70/59,970.36 = 20,248.04/x
  3. Step 3: Cross multiply
    39,955.70x = 59,970.36 × 20,248.04
  4. Step 4: Simplify right side
    39,955.70x = 1,214,282,248.09
  5. Step 5: Solve for x
    x = 1,214,282,248.09/39,955.70
  6. Step 6: Final answer
    x = 30,390.71

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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.