Home / 42,696.58-64,329.53-38,541.28

Finding the Fourth Proportional to 42,696.58, 64,329.53 and 38,541.28

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Solution

The fourth proportional to 42,696.58, 64,329.53 and 38,541.28 is: 58,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696.58 : 64,329.53 = 38,541.28 : x
  2. Step 2: Convert to fraction form
    42,696.58/64,329.53 = 38,541.28/x
  3. Step 3: Cross multiply
    42,696.58x = 64,329.53 × 38,541.28
  4. Step 4: Simplify right side
    42,696.58x = 2,479,342,428.00
  5. Step 5: Solve for x
    x = 2,479,342,428.00/42,696.58
  6. Step 6: Final answer
    x = 58,068.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.