Home / 66,955.32-92,394.36-38,278.08

Finding the Fourth Proportional to 66,955.32, 92,394.36 and 38,278.08

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Solution

The fourth proportional to 66,955.32, 92,394.36 and 38,278.08 is: 52,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,955.32 : 92,394.36 = 38,278.08 : x
  2. Step 2: Convert to fraction form
    66,955.32/92,394.36 = 38,278.08/x
  3. Step 3: Cross multiply
    66,955.32x = 92,394.36 × 38,278.08
  4. Step 4: Simplify right side
    66,955.32x = 3,536,678,703.63
  5. Step 5: Solve for x
    x = 3,536,678,703.63/66,955.32
  6. Step 6: Final answer
    x = 52,821.47

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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.