Home / 30,547.73-45,807.83-10,821.80

Finding the Fourth Proportional to 30,547.73, 45,807.83 and 10,821.80

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Solution

The fourth proportional to 30,547.73, 45,807.83 and 10,821.80 is: 16,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.73 : 45,807.83 = 10,821.80 : x
  2. Step 2: Convert to fraction form
    30,547.73/45,807.83 = 10,821.80/x
  3. Step 3: Cross multiply
    30,547.73x = 45,807.83 × 10,821.80
  4. Step 4: Simplify right side
    30,547.73x = 495,723,275.69
  5. Step 5: Solve for x
    x = 495,723,275.69/30,547.73
  6. Step 6: Final answer
    x = 16,227.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.