Home / 39,343.71-59,015.49-12,328.12

Finding the Fourth Proportional to 39,343.71, 59,015.49 and 12,328.12

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Solution

The fourth proportional to 39,343.71, 59,015.49 and 12,328.12 is: 18,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.71 : 59,015.49 = 12,328.12 : x
  2. Step 2: Convert to fraction form
    39,343.71/59,015.49 = 12,328.12/x
  3. Step 3: Cross multiply
    39,343.71x = 59,015.49 × 12,328.12
  4. Step 4: Simplify right side
    39,343.71x = 727,549,738.16
  5. Step 5: Solve for x
    x = 727,549,738.16/39,343.71
  6. Step 6: Final answer
    x = 18,492.15

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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.