Home / 42,653.88-63,953.45-17,711.15

Finding the Fourth Proportional to 42,653.88, 63,953.45 and 17,711.15

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Solution

The fourth proportional to 42,653.88, 63,953.45 and 17,711.15 is: 26,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,653.88 : 63,953.45 = 17,711.15 : x
  2. Step 2: Convert to fraction form
    42,653.88/63,953.45 = 17,711.15/x
  3. Step 3: Cross multiply
    42,653.88x = 63,953.45 × 17,711.15
  4. Step 4: Simplify right side
    42,653.88x = 1,132,688,804.06
  5. Step 5: Solve for x
    x = 1,132,688,804.06/42,653.88
  6. Step 6: Final answer
    x = 26,555.35

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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.