Home / 42,896.30-64,322.51-17,929.53

Finding the Fourth Proportional to 42,896.30, 64,322.51 and 17,929.53

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Solution

The fourth proportional to 42,896.30, 64,322.51 and 17,929.53 is: 26,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,896.30 : 64,322.51 = 17,929.53 : x
  2. Step 2: Convert to fraction form
    42,896.30/64,322.51 = 17,929.53/x
  3. Step 3: Cross multiply
    42,896.30x = 64,322.51 × 17,929.53
  4. Step 4: Simplify right side
    42,896.30x = 1,153,272,283.07
  5. Step 5: Solve for x
    x = 1,153,272,283.07/42,896.30
  6. Step 6: Final answer
    x = 26,885.13

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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.