Home / 34,433.56-47,510.58-20,287.72

Finding the Fourth Proportional to 34,433.56, 47,510.58 and 20,287.72

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Solution

The fourth proportional to 34,433.56, 47,510.58 and 20,287.72 is: 27,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,433.56 : 47,510.58 = 20,287.72 : x
  2. Step 2: Convert to fraction form
    34,433.56/47,510.58 = 20,287.72/x
  3. Step 3: Cross multiply
    34,433.56x = 47,510.58 × 20,287.72
  4. Step 4: Simplify right side
    34,433.56x = 963,881,344.08
  5. Step 5: Solve for x
    x = 963,881,344.08/34,433.56
  6. Step 6: Final answer
    x = 27,992.50

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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.