Home / 43,337.47-65,017.14-19,980.31

Finding the Fourth Proportional to 43,337.47, 65,017.14 and 19,980.31

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Solution

The fourth proportional to 43,337.47, 65,017.14 and 19,980.31 is: 29,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,337.47 : 65,017.14 = 19,980.31 : x
  2. Step 2: Convert to fraction form
    43,337.47/65,017.14 = 19,980.31/x
  3. Step 3: Cross multiply
    43,337.47x = 65,017.14 × 19,980.31
  4. Step 4: Simplify right side
    43,337.47x = 1,299,062,612.51
  5. Step 5: Solve for x
    x = 1,299,062,612.51/43,337.47
  6. Step 6: Final answer
    x = 29,975.51

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1.5x scale

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.