Home / 71,606.07-107,439.48-38,317.50

Finding the Fourth Proportional to 71,606.07, 107,439.48 and 38,317.50

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Solution

The fourth proportional to 71,606.07, 107,439.48 and 38,317.50 is: 57,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,606.07 : 107,439.48 = 38,317.50 : x
  2. Step 2: Convert to fraction form
    71,606.07/107,439.48 = 38,317.50/x
  3. Step 3: Cross multiply
    71,606.07x = 107,439.48 × 38,317.50
  4. Step 4: Simplify right side
    71,606.07x = 4,116,812,274.90
  5. Step 5: Solve for x
    x = 4,116,812,274.90/71,606.07
  6. Step 6: Final answer
    x = 57,492.50

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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.