Home / 65,501.06-98,248.15-21,127.82

Finding the Fourth Proportional to 65,501.06, 98,248.15 and 21,127.82

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Solution

The fourth proportional to 65,501.06, 98,248.15 and 21,127.82 is: 31,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,501.06 : 98,248.15 = 21,127.82 : x
  2. Step 2: Convert to fraction form
    65,501.06/98,248.15 = 21,127.82/x
  3. Step 3: Cross multiply
    65,501.06x = 98,248.15 × 21,127.82
  4. Step 4: Simplify right side
    65,501.06x = 2,075,769,421.33
  5. Step 5: Solve for x
    x = 2,075,769,421.33/65,501.06
  6. Step 6: Final answer
    x = 31,690.62

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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.