Home / 50,630.95-75,946.13-20,645.07

Finding the Fourth Proportional to 50,630.95, 75,946.13 and 20,645.07

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Solution

The fourth proportional to 50,630.95, 75,946.13 and 20,645.07 is: 30,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,630.95 : 75,946.13 = 20,645.07 : x
  2. Step 2: Convert to fraction form
    50,630.95/75,946.13 = 20,645.07/x
  3. Step 3: Cross multiply
    50,630.95x = 75,946.13 × 20,645.07
  4. Step 4: Simplify right side
    50,630.95x = 1,567,913,031.83
  5. Step 5: Solve for x
    x = 1,567,913,031.83/50,630.95
  6. Step 6: Final answer
    x = 30,967.49

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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.