Home / 66,901.28-92,323.01-38,606.36

Finding the Fourth Proportional to 66,901.28, 92,323.01 and 38,606.36

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Solution

The fourth proportional to 66,901.28, 92,323.01 and 38,606.36 is: 53,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901.28 : 92,323.01 = 38,606.36 : x
  2. Step 2: Convert to fraction form
    66,901.28/92,323.01 = 38,606.36/x
  3. Step 3: Cross multiply
    66,901.28x = 92,323.01 × 38,606.36
  4. Step 4: Simplify right side
    66,901.28x = 3,564,255,167.31
  5. Step 5: Solve for x
    x = 3,564,255,167.31/66,901.28
  6. Step 6: Final answer
    x = 53,276.34

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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.