Home / 64,868.44-89,518.98-38,011.72

Finding the Fourth Proportional to 64,868.44, 89,518.98 and 38,011.72

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Solution

The fourth proportional to 64,868.44, 89,518.98 and 38,011.72 is: 52,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,868.44 : 89,518.98 = 38,011.72 : x
  2. Step 2: Convert to fraction form
    64,868.44/89,518.98 = 38,011.72/x
  3. Step 3: Cross multiply
    64,868.44x = 89,518.98 × 38,011.72
  4. Step 4: Simplify right side
    64,868.44x = 3,402,770,402.45
  5. Step 5: Solve for x
    x = 3,402,770,402.45/64,868.44
  6. Step 6: Final answer
    x = 52,456.49

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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.