Home / 42,285.65-63,426.65-17,317.40

Finding the Fourth Proportional to 42,285.65, 63,426.65 and 17,317.40

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Solution

The fourth proportional to 42,285.65, 63,426.65 and 17,317.40 is: 25,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.65 : 63,426.65 = 17,317.40 : x
  2. Step 2: Convert to fraction form
    42,285.65/63,426.65 = 17,317.40/x
  3. Step 3: Cross multiply
    42,285.65x = 63,426.65 × 17,317.40
  4. Step 4: Simplify right side
    42,285.65x = 1,098,384,264.99
  5. Step 5: Solve for x
    x = 1,098,384,264.99/42,285.65
  6. Step 6: Final answer
    x = 25,975.35

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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.