Home / 45,942-63,405.60-28,036.56

Finding the Fourth Proportional to 45,942, 63,405.60 and 28,036.56

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Solution

The fourth proportional to 45,942, 63,405.60 and 28,036.56 is: 38,693.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,942 : 63,405.60 = 28,036.56 : x
  2. Step 2: Convert to fraction form
    45,942/63,405.60 = 28,036.56/x
  3. Step 3: Cross multiply
    45,942x = 63,405.60 × 28,036.56
  4. Step 4: Simplify right side
    45,942x = 1,777,674,908.74
  5. Step 5: Solve for x
    x = 1,777,674,908.74/45,942
  6. Step 6: Final answer
    x = 38,693.89

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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.