Home / 35,178.18-48,547.40-21,028.29

Finding the Fourth Proportional to 35,178.18, 48,547.40 and 21,028.29

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Solution

The fourth proportional to 35,178.18, 48,547.40 and 21,028.29 is: 29,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,178.18 : 48,547.40 = 21,028.29 : x
  2. Step 2: Convert to fraction form
    35,178.18/48,547.40 = 21,028.29/x
  3. Step 3: Cross multiply
    35,178.18x = 48,547.40 × 21,028.29
  4. Step 4: Simplify right side
    35,178.18x = 1,020,868,700.80
  5. Step 5: Solve for x
    x = 1,020,868,700.80/35,178.18
  6. Step 6: Final answer
    x = 29,019.94

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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.