Home / 39,735.06-59,565.53-13,421.40

Finding the Fourth Proportional to 39,735.06, 59,565.53 and 13,421.40

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Solution

The fourth proportional to 39,735.06, 59,565.53 and 13,421.40 is: 20,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.06 : 59,565.53 = 13,421.40 : x
  2. Step 2: Convert to fraction form
    39,735.06/59,565.53 = 13,421.40/x
  3. Step 3: Cross multiply
    39,735.06x = 59,565.53 × 13,421.40
  4. Step 4: Simplify right side
    39,735.06x = 799,452,539.03
  5. Step 5: Solve for x
    x = 799,452,539.03/39,735.06
  6. Step 6: Final answer
    x = 20,119.58

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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.