Home / 43,065.09-64,602.50-19,685.25

Finding the Fourth Proportional to 43,065.09, 64,602.50 and 19,685.25

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Solution

The fourth proportional to 43,065.09, 64,602.50 and 19,685.25 is: 29,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,065.09 : 64,602.50 = 19,685.25 : x
  2. Step 2: Convert to fraction form
    43,065.09/64,602.50 = 19,685.25/x
  3. Step 3: Cross multiply
    43,065.09x = 64,602.50 × 19,685.25
  4. Step 4: Simplify right side
    43,065.09x = 1,271,716,264.70
  5. Step 5: Solve for x
    x = 1,271,716,264.70/43,065.09
  6. Step 6: Final answer
    x = 29,530.10

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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.