Home / 65,010.65-97,507.61-20,637.91

Finding the Fourth Proportional to 65,010.65, 97,507.61 and 20,637.91

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Solution

The fourth proportional to 65,010.65, 97,507.61 and 20,637.91 is: 30,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,010.65 : 97,507.61 = 20,637.91 : x
  2. Step 2: Convert to fraction form
    65,010.65/97,507.61 = 20,637.91/x
  3. Step 3: Cross multiply
    65,010.65x = 97,507.61 × 20,637.91
  4. Step 4: Simplify right side
    65,010.65x = 2,012,352,688.77
  5. Step 5: Solve for x
    x = 2,012,352,688.77/65,010.65
  6. Step 6: Final answer
    x = 30,954.20

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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.