Home / 35,417.78-53,136.36-10,457.82

Finding the Fourth Proportional to 35,417.78, 53,136.36 and 10,457.82

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Solution

The fourth proportional to 35,417.78, 53,136.36 and 10,457.82 is: 15,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.78 : 53,136.36 = 10,457.82 : x
  2. Step 2: Convert to fraction form
    35,417.78/53,136.36 = 10,457.82/x
  3. Step 3: Cross multiply
    35,417.78x = 53,136.36 × 10,457.82
  4. Step 4: Simplify right side
    35,417.78x = 555,690,488.34
  5. Step 5: Solve for x
    x = 555,690,488.34/35,417.78
  6. Step 6: Final answer
    x = 15,689.59

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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.