Home / 52,038.27-78,057.26-20,426.21

Finding the Fourth Proportional to 52,038.27, 78,057.26 and 20,426.21

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Solution

The fourth proportional to 52,038.27, 78,057.26 and 20,426.21 is: 30,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,038.27 : 78,057.26 = 20,426.21 : x
  2. Step 2: Convert to fraction form
    52,038.27/78,057.26 = 20,426.21/x
  3. Step 3: Cross multiply
    52,038.27x = 78,057.26 × 20,426.21
  4. Step 4: Simplify right side
    52,038.27x = 1,594,413,984.78
  5. Step 5: Solve for x
    x = 1,594,413,984.78/52,038.27
  6. Step 6: Final answer
    x = 30,639.26

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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.