Home / 39,492.95-59,242.53-13,197.80

Finding the Fourth Proportional to 39,492.95, 59,242.53 and 13,197.80

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Solution

The fourth proportional to 39,492.95, 59,242.53 and 13,197.80 is: 19,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.95 : 59,242.53 = 13,197.80 : x
  2. Step 2: Convert to fraction form
    39,492.95/59,242.53 = 13,197.80/x
  3. Step 3: Cross multiply
    39,492.95x = 59,242.53 × 13,197.80
  4. Step 4: Simplify right side
    39,492.95x = 781,871,062.43
  5. Step 5: Solve for x
    x = 781,871,062.43/39,492.95
  6. Step 6: Final answer
    x = 19,797.74

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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.