Home / 52,002.81-78,033.78-25,710.21

Finding the Fourth Proportional to 52,002.81, 78,033.78 and 25,710.21

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Solution

The fourth proportional to 52,002.81, 78,033.78 and 25,710.21 is: 38,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002.81 : 78,033.78 = 25,710.21 : x
  2. Step 2: Convert to fraction form
    52,002.81/78,033.78 = 25,710.21/x
  3. Step 3: Cross multiply
    52,002.81x = 78,033.78 × 25,710.21
  4. Step 4: Simplify right side
    52,002.81x = 2,006,264,870.89
  5. Step 5: Solve for x
    x = 2,006,264,870.89/52,002.81
  6. Step 6: Final answer
    x = 38,579.93

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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.