Home / 52,002.40-78,003.60-25,758.40

Finding the Fourth Proportional to 52,002.40, 78,003.60 and 25,758.40

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Solution

The fourth proportional to 52,002.40, 78,003.60 and 25,758.40 is: 38,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002.40 : 78,003.60 = 25,758.40 : x
  2. Step 2: Convert to fraction form
    52,002.40/78,003.60 = 25,758.40/x
  3. Step 3: Cross multiply
    52,002.40x = 78,003.60 × 25,758.40
  4. Step 4: Simplify right side
    52,002.40x = 2,009,247,930.24
  5. Step 5: Solve for x
    x = 2,009,247,930.24/52,002.40
  6. Step 6: Final answer
    x = 38,637.60

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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.