Home / 39,984.34-59,970.34-13,683.04

Finding the Fourth Proportional to 39,984.34, 59,970.34 and 13,683.04

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Solution

The fourth proportional to 39,984.34, 59,970.34 and 13,683.04 is: 20,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.34 : 59,970.34 = 13,683.04 : x
  2. Step 2: Convert to fraction form
    39,984.34/59,970.34 = 13,683.04/x
  3. Step 3: Cross multiply
    39,984.34x = 59,970.34 × 13,683.04
  4. Step 4: Simplify right side
    39,984.34x = 820,576,561.03
  5. Step 5: Solve for x
    x = 820,576,561.03/39,984.34
  6. Step 6: Final answer
    x = 20,522.45

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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.