Home / 42,639.51-63,959.67-16,338

Finding the Fourth Proportional to 42,639.51, 63,959.67 and 16,338

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Solution

The fourth proportional to 42,639.51, 63,959.67 and 16,338 is: 24,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,639.51 : 63,959.67 = 16,338 : x
  2. Step 2: Convert to fraction form
    42,639.51/63,959.67 = 16,338/x
  3. Step 3: Cross multiply
    42,639.51x = 63,959.67 × 16,338
  4. Step 4: Simplify right side
    42,639.51x = 1,044,973,088.46
  5. Step 5: Solve for x
    x = 1,044,973,088.46/42,639.51
  6. Step 6: Final answer
    x = 24,507.16

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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.