Home / 65,437.16-98,171.40-21,068.06

Finding the Fourth Proportional to 65,437.16, 98,171.40 and 21,068.06

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Solution

The fourth proportional to 65,437.16, 98,171.40 and 21,068.06 is: 31,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,437.16 : 98,171.40 = 21,068.06 : x
  2. Step 2: Convert to fraction form
    65,437.16/98,171.40 = 21,068.06/x
  3. Step 3: Cross multiply
    65,437.16x = 98,171.40 × 21,068.06
  4. Step 4: Simplify right side
    65,437.16x = 2,068,280,945.48
  5. Step 5: Solve for x
    x = 2,068,280,945.48/65,437.16
  6. Step 6: Final answer
    x = 31,607.13

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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.