Home / 50,913.46-70,264.40-28,256.72

Finding the Fourth Proportional to 50,913.46, 70,264.40 and 28,256.72

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Solution

The fourth proportional to 50,913.46, 70,264.40 and 28,256.72 is: 38,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,913.46 : 70,264.40 = 28,256.72 : x
  2. Step 2: Convert to fraction form
    50,913.46/70,264.40 = 28,256.72/x
  3. Step 3: Cross multiply
    50,913.46x = 70,264.40 × 28,256.72
  4. Step 4: Simplify right side
    50,913.46x = 1,985,441,476.77
  5. Step 5: Solve for x
    x = 1,985,441,476.77/50,913.46
  6. Step 6: Final answer
    x = 38,996.40

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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.