Home / 39,725.40-59,505.30-18,683.40

Finding the Fourth Proportional to 39,725.40, 59,505.30 and 18,683.40

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Solution

The fourth proportional to 39,725.40, 59,505.30 and 18,683.40 is: 27,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.40 : 59,505.30 = 18,683.40 : x
  2. Step 2: Convert to fraction form
    39,725.40/59,505.30 = 18,683.40/x
  3. Step 3: Cross multiply
    39,725.40x = 59,505.30 × 18,683.40
  4. Step 4: Simplify right side
    39,725.40x = 1,111,761,322.02
  5. Step 5: Solve for x
    x = 1,111,761,322.02/39,725.40
  6. Step 6: Final answer
    x = 27,986.16

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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.