Home / 35,547.40-53,328.30-12,176.20

Finding the Fourth Proportional to 35,547.40, 53,328.30 and 12,176.20

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Solution

The fourth proportional to 35,547.40, 53,328.30 and 12,176.20 is: 18,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,547.40 : 53,328.30 = 12,176.20 : x
  2. Step 2: Convert to fraction form
    35,547.40/53,328.30 = 12,176.20/x
  3. Step 3: Cross multiply
    35,547.40x = 53,328.30 × 12,176.20
  4. Step 4: Simplify right side
    35,547.40x = 649,336,046.46
  5. Step 5: Solve for x
    x = 649,336,046.46/35,547.40
  6. Step 6: Final answer
    x = 18,266.77

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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.