Home / 45,955.20-63,425.04-28,060.56

Finding the Fourth Proportional to 45,955.20, 63,425.04 and 28,060.56

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Solution

The fourth proportional to 45,955.20, 63,425.04 and 28,060.56 is: 38,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,955.20 : 63,425.04 = 28,060.56 : x
  2. Step 2: Convert to fraction form
    45,955.20/63,425.04 = 28,060.56/x
  3. Step 3: Cross multiply
    45,955.20x = 63,425.04 × 28,060.56
  4. Step 4: Simplify right side
    45,955.20x = 1,779,742,140.42
  5. Step 5: Solve for x
    x = 1,779,742,140.42/45,955.20
  6. Step 6: Final answer
    x = 38,727.76

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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.