Home / 46,871.28-64,685.58-30,928.02

Finding the Fourth Proportional to 46,871.28, 64,685.58 and 30,928.02

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Solution

The fourth proportional to 46,871.28, 64,685.58 and 30,928.02 is: 42,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,871.28 : 64,685.58 = 30,928.02 : x
  2. Step 2: Convert to fraction form
    46,871.28/64,685.58 = 30,928.02/x
  3. Step 3: Cross multiply
    46,871.28x = 64,685.58 × 30,928.02
  4. Step 4: Simplify right side
    46,871.28x = 2,000,596,911.95
  5. Step 5: Solve for x
    x = 2,000,596,911.95/46,871.28
  6. Step 6: Final answer
    x = 42,682.79

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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.