Home / 34,363.68-47,421.81-20,934.93

Finding the Fourth Proportional to 34,363.68, 47,421.81 and 20,934.93

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Solution

The fourth proportional to 34,363.68, 47,421.81 and 20,934.93 is: 28,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.68 : 47,421.81 = 20,934.93 : x
  2. Step 2: Convert to fraction form
    34,363.68/47,421.81 = 20,934.93/x
  3. Step 3: Cross multiply
    34,363.68x = 47,421.81 × 20,934.93
  4. Step 4: Simplify right side
    34,363.68x = 992,772,450.66
  5. Step 5: Solve for x
    x = 992,772,450.66/34,363.68
  6. Step 6: Final answer
    x = 28,890.17

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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.