Home / 53,314.02-79,966.36-21,727.40

Finding the Fourth Proportional to 53,314.02, 79,966.36 and 21,727.40

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Solution

The fourth proportional to 53,314.02, 79,966.36 and 21,727.40 is: 32,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,314.02 : 79,966.36 = 21,727.40 : x
  2. Step 2: Convert to fraction form
    53,314.02/79,966.36 = 21,727.40/x
  3. Step 3: Cross multiply
    53,314.02x = 79,966.36 × 21,727.40
  4. Step 4: Simplify right side
    53,314.02x = 1,737,461,090.26
  5. Step 5: Solve for x
    x = 1,737,461,090.26/53,314.02
  6. Step 6: Final answer
    x = 32,589.20

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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.