Home / 64,030.06-96,022.54-21,323.90

Finding the Fourth Proportional to 64,030.06, 96,022.54 and 21,323.90

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Solution

The fourth proportional to 64,030.06, 96,022.54 and 21,323.90 is: 31,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,030.06 : 96,022.54 = 21,323.90 : x
  2. Step 2: Convert to fraction form
    64,030.06/96,022.54 = 21,323.90/x
  3. Step 3: Cross multiply
    64,030.06x = 96,022.54 × 21,323.90
  4. Step 4: Simplify right side
    64,030.06x = 2,047,575,040.71
  5. Step 5: Solve for x
    x = 2,047,575,040.71/64,030.06
  6. Step 6: Final answer
    x = 31,978.34

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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.