Home / 35,423.13-48,882-20,315.07

Finding the Fourth Proportional to 35,423.13, 48,882 and 20,315.07

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Solution

The fourth proportional to 35,423.13, 48,882 and 20,315.07 is: 28,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.13 : 48,882 = 20,315.07 : x
  2. Step 2: Convert to fraction form
    35,423.13/48,882 = 20,315.07/x
  3. Step 3: Cross multiply
    35,423.13x = 48,882 × 20,315.07
  4. Step 4: Simplify right side
    35,423.13x = 993,041,251.74
  5. Step 5: Solve for x
    x = 993,041,251.74/35,423.13
  6. Step 6: Final answer
    x = 28,033.70

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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.