Home / 34,403.34-47,477.57-20,971.52

Finding the Fourth Proportional to 34,403.34, 47,477.57 and 20,971.52

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Solution

The fourth proportional to 34,403.34, 47,477.57 and 20,971.52 is: 28,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,403.34 : 47,477.57 = 20,971.52 : x
  2. Step 2: Convert to fraction form
    34,403.34/47,477.57 = 20,971.52/x
  3. Step 3: Cross multiply
    34,403.34x = 47,477.57 × 20,971.52
  4. Step 4: Simplify right side
    34,403.34x = 995,676,808.81
  5. Step 5: Solve for x
    x = 995,676,808.81/34,403.34
  6. Step 6: Final answer
    x = 28,941.28

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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.