Home / 66,669.59-92,027.20-38,386.55

Finding the Fourth Proportional to 66,669.59, 92,027.20 and 38,386.55

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Solution

The fourth proportional to 66,669.59, 92,027.20 and 38,386.55 is: 52,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,669.59 : 92,027.20 = 38,386.55 : x
  2. Step 2: Convert to fraction form
    66,669.59/92,027.20 = 38,386.55/x
  3. Step 3: Cross multiply
    66,669.59x = 92,027.20 × 38,386.55
  4. Step 4: Simplify right side
    66,669.59x = 3,532,606,062.09
  5. Step 5: Solve for x
    x = 3,532,606,062.09/66,669.59
  6. Step 6: Final answer
    x = 52,986.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.