Home / 50,220.78-69,278.28-38,263.35

Finding the Fourth Proportional to 50,220.78, 69,278.28 and 38,263.35

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Solution

The fourth proportional to 50,220.78, 69,278.28 and 38,263.35 is: 52,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,220.78 : 69,278.28 = 38,263.35 : x
  2. Step 2: Convert to fraction form
    50,220.78/69,278.28 = 38,263.35/x
  3. Step 3: Cross multiply
    50,220.78x = 69,278.28 × 38,263.35
  4. Step 4: Simplify right side
    50,220.78x = 2,650,819,075.04
  5. Step 5: Solve for x
    x = 2,650,819,075.04/50,220.78
  6. Step 6: Final answer
    x = 52,783.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.