Home / 39,954.20-59,931.34-13,659.16

Finding the Fourth Proportional to 39,954.20, 59,931.34 and 13,659.16

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Solution

The fourth proportional to 39,954.20, 59,931.34 and 13,659.16 is: 20,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.20 : 59,931.34 = 13,659.16 : x
  2. Step 2: Convert to fraction form
    39,954.20/59,931.34 = 13,659.16/x
  3. Step 3: Cross multiply
    39,954.20x = 59,931.34 × 13,659.16
  4. Step 4: Simplify right side
    39,954.20x = 818,611,762.07
  5. Step 5: Solve for x
    x = 818,611,762.07/39,954.20
  6. Step 6: Final answer
    x = 20,488.75

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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.