Home / 50,798.85-70,136.32-31,686.30

Finding the Fourth Proportional to 50,798.85, 70,136.32 and 31,686.30

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Solution

The fourth proportional to 50,798.85, 70,136.32 and 31,686.30 is: 43,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,798.85 : 70,136.32 = 31,686.30 : x
  2. Step 2: Convert to fraction form
    50,798.85/70,136.32 = 31,686.30/x
  3. Step 3: Cross multiply
    50,798.85x = 70,136.32 × 31,686.30
  4. Step 4: Simplify right side
    50,798.85x = 2,222,360,476.42
  5. Step 5: Solve for x
    x = 2,222,360,476.42/50,798.85
  6. Step 6: Final answer
    x = 43,748.24

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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.