Home / 66,304.50-91,435.38-42,422.46

Finding the Fourth Proportional to 66,304.50, 91,435.38 and 42,422.46

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Solution

The fourth proportional to 66,304.50, 91,435.38 and 42,422.46 is: 58,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304.50 : 91,435.38 = 42,422.46 : x
  2. Step 2: Convert to fraction form
    66,304.50/91,435.38 = 42,422.46/x
  3. Step 3: Cross multiply
    66,304.50x = 91,435.38 × 42,422.46
  4. Step 4: Simplify right side
    66,304.50x = 3,878,913,750.63
  5. Step 5: Solve for x
    x = 3,878,913,750.63/66,304.50
  6. Step 6: Final answer
    x = 58,501.52

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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.