Home / 40,688.96-61,064.69-18,206.60

Finding the Fourth Proportional to 40,688.96, 61,064.69 and 18,206.60

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Solution

The fourth proportional to 40,688.96, 61,064.69 and 18,206.60 is: 27,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.96 : 61,064.69 = 18,206.60 : x
  2. Step 2: Convert to fraction form
    40,688.96/61,064.69 = 18,206.60/x
  3. Step 3: Cross multiply
    40,688.96x = 61,064.69 × 18,206.60
  4. Step 4: Simplify right side
    40,688.96x = 1,111,779,988.60
  5. Step 5: Solve for x
    x = 1,111,779,988.60/40,688.96
  6. Step 6: Final answer
    x = 27,323.88

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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.