Home / 64,317.70-88,730.13-38,809.85

Finding the Fourth Proportional to 64,317.70, 88,730.13 and 38,809.85

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Solution

The fourth proportional to 64,317.70, 88,730.13 and 38,809.85 is: 53,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,317.70 : 88,730.13 = 38,809.85 : x
  2. Step 2: Convert to fraction form
    64,317.70/88,730.13 = 38,809.85/x
  3. Step 3: Cross multiply
    64,317.70x = 88,730.13 × 38,809.85
  4. Step 4: Simplify right side
    64,317.70x = 3,443,602,592.13
  5. Step 5: Solve for x
    x = 3,443,602,592.13/64,317.70
  6. Step 6: Final answer
    x = 53,540.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.