Home / 57,426.52-86,106.29-42,295.21

Finding the Fourth Proportional to 57,426.52, 86,106.29 and 42,295.21

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Solution

The fourth proportional to 57,426.52, 86,106.29 and 42,295.21 is: 63,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,426.52 : 86,106.29 = 42,295.21 : x
  2. Step 2: Convert to fraction form
    57,426.52/86,106.29 = 42,295.21/x
  3. Step 3: Cross multiply
    57,426.52x = 86,106.29 × 42,295.21
  4. Step 4: Simplify right side
    57,426.52x = 3,641,883,913.39
  5. Step 5: Solve for x
    x = 3,641,883,913.39/57,426.52
  6. Step 6: Final answer
    x = 63,418.16

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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.