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Finding the Fourth Proportional to 39,898.99, 59,850.54 and 10,317.08

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Solution

The fourth proportional to 39,898.99, 59,850.54 and 10,317.08 is: 15,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,898.99 : 59,850.54 = 10,317.08 : x
  2. Step 2: Convert to fraction form
    39,898.99/59,850.54 = 10,317.08/x
  3. Step 3: Cross multiply
    39,898.99x = 59,850.54 × 10,317.08
  4. Step 4: Simplify right side
    39,898.99x = 617,482,809.22
  5. Step 5: Solve for x
    x = 617,482,809.22/39,898.99
  6. Step 6: Final answer
    x = 15,476.15

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1.5x scale

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.