Home / 65,948.63-98,935.10-21,577.87

Finding the Fourth Proportional to 65,948.63, 98,935.10 and 21,577.87

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Solution

The fourth proportional to 65,948.63, 98,935.10 and 21,577.87 is: 32,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,948.63 : 98,935.10 = 21,577.87 : x
  2. Step 2: Convert to fraction form
    65,948.63/98,935.10 = 21,577.87/x
  3. Step 3: Cross multiply
    65,948.63x = 98,935.10 × 21,577.87
  4. Step 4: Simplify right side
    65,948.63x = 2,134,808,123.67
  5. Step 5: Solve for x
    x = 2,134,808,123.67/65,948.63
  6. Step 6: Final answer
    x = 32,370.77

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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.