Home / 34,570.59-47,708.05-20,423.43

Finding the Fourth Proportional to 34,570.59, 47,708.05 and 20,423.43

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Solution

The fourth proportional to 34,570.59, 47,708.05 and 20,423.43 is: 28,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,570.59 : 47,708.05 = 20,423.43 : x
  2. Step 2: Convert to fraction form
    34,570.59/47,708.05 = 20,423.43/x
  3. Step 3: Cross multiply
    34,570.59x = 47,708.05 × 20,423.43
  4. Step 4: Simplify right side
    34,570.59x = 974,362,019.61
  5. Step 5: Solve for x
    x = 974,362,019.61/34,570.59
  6. Step 6: Final answer
    x = 28,184.71

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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.