Home / 45,947.64-68,927.64-31,689.76

Finding the Fourth Proportional to 45,947.64, 68,927.64 and 31,689.76

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Solution

The fourth proportional to 45,947.64, 68,927.64 and 31,689.76 is: 47,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,947.64 : 68,927.64 = 31,689.76 : x
  2. Step 2: Convert to fraction form
    45,947.64/68,927.64 = 31,689.76/x
  3. Step 3: Cross multiply
    45,947.64x = 68,927.64 × 31,689.76
  4. Step 4: Simplify right side
    45,947.64x = 2,184,300,368.97
  5. Step 5: Solve for x
    x = 2,184,300,368.97/45,947.64
  6. Step 6: Final answer
    x = 47,538.90

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1.5x scale

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.