Home / 50,915.20-70,263.34-28,254.28

Finding the Fourth Proportional to 50,915.20, 70,263.34 and 28,254.28

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Solution

The fourth proportional to 50,915.20, 70,263.34 and 28,254.28 is: 38,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,915.20 : 70,263.34 = 28,254.28 : x
  2. Step 2: Convert to fraction form
    50,915.20/70,263.34 = 28,254.28/x
  3. Step 3: Cross multiply
    50,915.20x = 70,263.34 × 28,254.28
  4. Step 4: Simplify right side
    50,915.20x = 1,985,240,082.10
  5. Step 5: Solve for x
    x = 1,985,240,082.10/50,915.20
  6. Step 6: Final answer
    x = 38,991.11

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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.