Home / 38,885.47-58,328.51-10,806.21

Finding the Fourth Proportional to 38,885.47, 58,328.51 and 10,806.21

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Solution

The fourth proportional to 38,885.47, 58,328.51 and 10,806.21 is: 16,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,885.47 : 58,328.51 = 10,806.21 : x
  2. Step 2: Convert to fraction form
    38,885.47/58,328.51 = 10,806.21/x
  3. Step 3: Cross multiply
    38,885.47x = 58,328.51 × 10,806.21
  4. Step 4: Simplify right side
    38,885.47x = 630,310,074.02
  5. Step 5: Solve for x
    x = 630,310,074.02/38,885.47
  6. Step 6: Final answer
    x = 16,209.40

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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.