Home / 52,352,039.70-78,528,059.55-20,439,335.70

Finding the Fourth Proportional to 52,352,039.70, 78,528,059.55 and 20,439,335.70

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Solution

The fourth proportional to 52,352,039.70, 78,528,059.55 and 20,439,335.70 is: 30,659,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352,039.70 : 78,528,059.55 = 20,439,335.70 : x
  2. Step 2: Convert to fraction form
    52,352,039.70/78,528,059.55 = 20,439,335.70/x
  3. Step 3: Cross multiply
    52,352,039.70x = 78,528,059.55 × 20,439,335.70
  4. Step 4: Simplify right side
    52,352,039.70x = 1,605,061,371,012,040.75
  5. Step 5: Solve for x
    x = 1,605,061,371,012,040.75/52,352,039.70
  6. Step 6: Final answer
    x = 30,659,003.55

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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.