Home / 52,285.55-78,399.53-17,207.15

Finding the Fourth Proportional to 52,285.55, 78,399.53 and 17,207.15

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Solution

The fourth proportional to 52,285.55, 78,399.53 and 17,207.15 is: 25,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.55 : 78,399.53 = 17,207.15 : x
  2. Step 2: Convert to fraction form
    52,285.55/78,399.53 = 17,207.15/x
  3. Step 3: Cross multiply
    52,285.55x = 78,399.53 × 17,207.15
  4. Step 4: Simplify right side
    52,285.55x = 1,349,032,386.60
  5. Step 5: Solve for x
    x = 1,349,032,386.60/52,285.55
  6. Step 6: Final answer
    x = 25,801.25

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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.