Home / 52,037.27-78,055.76-20,425.21

Finding the Fourth Proportional to 52,037.27, 78,055.76 and 20,425.21

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Solution

The fourth proportional to 52,037.27, 78,055.76 and 20,425.21 is: 30,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,037.27 : 78,055.76 = 20,425.21 : x
  2. Step 2: Convert to fraction form
    52,037.27/78,055.76 = 20,425.21/x
  3. Step 3: Cross multiply
    52,037.27x = 78,055.76 × 20,425.21
  4. Step 4: Simplify right side
    52,037.27x = 1,594,305,484.17
  5. Step 5: Solve for x
    x = 1,594,305,484.17/52,037.27
  6. Step 6: Final answer
    x = 30,637.76

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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.