Home / 35,721,492.51-49,289,684.31-21,040,082.13

Finding the Fourth Proportional to 35,721,492.51, 49,289,684.31 and 21,040,082.13

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Solution

The fourth proportional to 35,721,492.51, 49,289,684.31 and 21,040,082.13 is: 29,031,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721,492.51 : 49,289,684.31 = 21,040,082.13 : x
  2. Step 2: Convert to fraction form
    35,721,492.51/49,289,684.31 = 21,040,082.13/x
  3. Step 3: Cross multiply
    35,721,492.51x = 49,289,684.31 × 21,040,082.13
  4. Step 4: Simplify right side
    35,721,492.51x = 1,037,059,006,044,172.38
  5. Step 5: Solve for x
    x = 1,037,059,006,044,172.38/35,721,492.51
  6. Step 6: Final answer
    x = 29,031,793.84

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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.