Home / 64,038.18-96,057.27-21,918.81

Finding the Fourth Proportional to 64,038.18, 96,057.27 and 21,918.81

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Solution

The fourth proportional to 64,038.18, 96,057.27 and 21,918.81 is: 32,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,038.18 : 96,057.27 = 21,918.81 : x
  2. Step 2: Convert to fraction form
    64,038.18/96,057.27 = 21,918.81/x
  3. Step 3: Cross multiply
    64,038.18x = 96,057.27 × 21,918.81
  4. Step 4: Simplify right side
    64,038.18x = 2,105,461,050.25
  5. Step 5: Solve for x
    x = 2,105,461,050.25/64,038.18
  6. Step 6: Final answer
    x = 32,878.22

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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.