Home / 35,421.50-48,877.41-20,313.38

Finding the Fourth Proportional to 35,421.50, 48,877.41 and 20,313.38

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Solution

The fourth proportional to 35,421.50, 48,877.41 and 20,313.38 is: 28,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.50 : 48,877.41 = 20,313.38 : x
  2. Step 2: Convert to fraction form
    35,421.50/48,877.41 = 20,313.38/x
  3. Step 3: Cross multiply
    35,421.50x = 48,877.41 × 20,313.38
  4. Step 4: Simplify right side
    35,421.50x = 992,865,402.75
  5. Step 5: Solve for x
    x = 992,865,402.75/35,421.50
  6. Step 6: Final answer
    x = 28,030.02

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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.