Home / 34,389.42-47,465.85-20,968.08

Finding the Fourth Proportional to 34,389.42, 47,465.85 and 20,968.08

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Solution

The fourth proportional to 34,389.42, 47,465.85 and 20,968.08 is: 28,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.42 : 47,465.85 = 20,968.08 : x
  2. Step 2: Convert to fraction form
    34,389.42/47,465.85 = 20,968.08/x
  3. Step 3: Cross multiply
    34,389.42x = 47,465.85 × 20,968.08
  4. Step 4: Simplify right side
    34,389.42x = 995,267,740.07
  5. Step 5: Solve for x
    x = 995,267,740.07/34,389.42
  6. Step 6: Final answer
    x = 28,941.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.