Home / 34,720.17-47,914.71-21,298.83

Finding the Fourth Proportional to 34,720.17, 47,914.71 and 21,298.83

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Solution

The fourth proportional to 34,720.17, 47,914.71 and 21,298.83 is: 29,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.17 : 47,914.71 = 21,298.83 : x
  2. Step 2: Convert to fraction form
    34,720.17/47,914.71 = 21,298.83/x
  3. Step 3: Cross multiply
    34,720.17x = 47,914.71 × 21,298.83
  4. Step 4: Simplify right side
    34,720.17x = 1,020,527,262.79
  5. Step 5: Solve for x
    x = 1,020,527,262.79/34,720.17
  6. Step 6: Final answer
    x = 29,392.92

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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.