Home / 64,890.20-97,349.70-29,821.40

Finding the Fourth Proportional to 64,890.20, 97,349.70 and 29,821.40

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Solution

The fourth proportional to 64,890.20, 97,349.70 and 29,821.40 is: 44,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.20 : 97,349.70 = 29,821.40 : x
  2. Step 2: Convert to fraction form
    64,890.20/97,349.70 = 29,821.40/x
  3. Step 3: Cross multiply
    64,890.20x = 97,349.70 × 29,821.40
  4. Step 4: Simplify right side
    64,890.20x = 2,903,104,343.58
  5. Step 5: Solve for x
    x = 2,903,104,343.58/64,890.20
  6. Step 6: Final answer
    x = 44,738.72

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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.