Home / 64,834.56-97,313.40-31,572.72

Finding the Fourth Proportional to 64,834.56, 97,313.40 and 31,572.72

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Solution

The fourth proportional to 64,834.56, 97,313.40 and 31,572.72 is: 47,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,834.56 : 97,313.40 = 31,572.72 : x
  2. Step 2: Convert to fraction form
    64,834.56/97,313.40 = 31,572.72/x
  3. Step 3: Cross multiply
    64,834.56x = 97,313.40 × 31,572.72
  4. Step 4: Simplify right side
    64,834.56x = 3,072,448,730.45
  5. Step 5: Solve for x
    x = 3,072,448,730.45/64,834.56
  6. Step 6: Final answer
    x = 47,389.06

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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.