Home / 51,153.16-70,520.34-39,787.24

Finding the Fourth Proportional to 51,153.16, 70,520.34 and 39,787.24

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Solution

The fourth proportional to 51,153.16, 70,520.34 and 39,787.24 is: 54,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.16 : 70,520.34 = 39,787.24 : x
  2. Step 2: Convert to fraction form
    51,153.16/70,520.34 = 39,787.24/x
  3. Step 3: Cross multiply
    51,153.16x = 70,520.34 × 39,787.24
  4. Step 4: Simplify right side
    51,153.16x = 2,805,809,692.46
  5. Step 5: Solve for x
    x = 2,805,809,692.46/51,153.16
  6. Step 6: Final answer
    x = 54,851.15

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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.